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  • 8/8/2019 BAI_TAP_NGUYEN_LY_THONG_KE_KINH_TE

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    1 http://www.ebook.edu.vn

    BAI TAP NGUYEN LY THONG KE KINH TE@

    Bai 1: Hay lien he thc te 3 bc nghiep vu chu yeu trong 1 n v (vi mo) hay trongmot nganh, 1 vung lanh tho (v mo)

    Bai 2: T mot tong the ma Anh (Ch) lien he trong thc te, hay xac nh n v tong the,tong the mau, liet ke 5 tieu thc thong ke va 2 ch tieu thong ke.

    Bai 3: mot trng H thc hien mot cuoc ieu tra trong SV, mot so noi dung nh sau:

    Loai d lieu Thang oTieu ch (Cau hoi)nhtnh

    nhdanh

    nhdanh

    Thbac

    Khoang Tyle

    1. Gii tnh cua SV(1)N(2)Nam

    2. Nam hoc (th may)(1) Nam th 1(2) Nam th 2(3)Nam th 3(4)Nam cuoi

    3. So lng Anh ch em(1)0(2)1-2(3)>2

    4. So lan s dung TD trong nga(1)1-3(2)4-6(3)7-10(4)>11

    5. Ban co tat TD trong gi hockhong?

    (1)Khong bao gi(2)Hiem khi(3)Thnh thoang(4)Hau nh luon luon(5)Luon luon

    6. Phng tien dung en trng(1)Xe bus(2)Xe ap

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    2 http://www.ebook.edu.vn (3)Xe gan may(4)i bo(5)Phng tien khac

    7. Ban co s dung Internet nhakhong ?

    (1)Co(2)Khong

    8. So lng SV cua lp9. Chi ph cho viec hoc hang thang

    .10.T trong n SV cua lp .

    Bai 4: Chon cau tra li ung nhat:Cau 1: Ke hoach thu ngan sach tren a ban TPHCM nam 2009 la 122.327 tong. ay la:

    a. D lieu ri racb. D lieu lien tucCau 2: Tai thi iem cuoi nam 2008, ca nc VN co 15 trng H, hoc vien aotao nganh Y dc; 30 trng C Y dc va gan 50 trng trung hoc va c s daynghe y te. Thong tin tren la v du ve:a. D lieu ri racb. D lieu lien tucCau 3: Noi dung nao sau ay khong phai la TK mo ta:a. Bang bieu, o th trnh bay d lieub. Suy dien tham so chung t tham so mau.

    Bai 5:Hay lien he thc te e minh hoa T thng xuyen va T khong thng xuyen;T toan bo va T khong toan bo.

    Bai 6: Hay bien luan so sanh 2 nhom phng phap T trc tiep va T gian tiep theocac mat: mc o chnh xac, kinh ph, yeu cau ve ap vien T o, neu cac trng hpvan dung tng nhom phng phap tren.

    Bai 7: Hay lap 1 phng an T cua 1 cuoc T nghien cu th trng hay T xa hoi hocve noi dung ma Anh (Ch) quan tam.

    Bai 8: Chon cau tra li ung nhat:Cau 1: Khi phan to theo tieu ch nh lng (tieu thc so lng) phai am bao:

    a.

    To au va to cuoi la to m.b. Moi to bao gom nhng n v tong the co chat lng gan nhau.c. a, b ungd. a, b sai

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    3 http://www.ebook.edu.vn Cau 2: Tong so dan VN c phan chia thanh nhan khau thanh th va nhan khaunong thon, nh vay:a. tong the phan to la tong so dan VNb. tieu ch phan to la loai nhan khauc. so to = 2d. a, b, c ung.Cau 3: ng noi cac nh cua bieu o tan so hnh cot chnh la:a. Bieu o tan so tch luyb. Bieu o tan so a giacc. a, b said. a, b ungCau 4: Bieu o nhanh va la chnh la:a. o th hnh thanhb. o th hnh thanh ngangc.

    a, b sai

    Bi 9: Co so lieu ve mc thu nhap va so CNV cua 16 XN may tren a ban TP. H trongnam 2008 nh sau:

    STT Thu nhap bq thangCN (1000 ong)

    So CN(ngi)

    STT Thu nhap bq thang1 CN (1000 ong)

    So CN(ngi)

    1 2.200 600 9 2.360 1.5202 2.210 603 10 2.440 1.180

    3 2.310 1.000 11 2.290 1.1504 2.240 1.400 12 2.280 1.5805 2.260 1.350 13 2.260 1.6006 2.260 1.340 14 2.300 2.2037 2.380 1.200 15 2.320 1.8208 2.350 1.550 16 2.500 1.800

    Yeu cau:1/ Can c vao thu nhap bnh quan thang 1 CN, hay phan to cac XN tren thanh 3

    to co khoang cach to eu. Trong moi to, hay tnh so XN, so CN va Tong thu nhap.2/ Phan to cac XN tren thanh 4 to co khoang cach to eu e nghien cu quy mo

    cac XN. Trong moi to, hay tnh so XN, so CN va Tong thu nhap.

    Bi 10: Co tai lieu ve bac th cua 20 cong nhan thuoc phan xng A nh sau :Ten CN : A B C D E F G H I JBac th : 3 1 4 5 6 4 2 4 6 4Ten CN : K L M N O P Q R S TBac th : 5 6 3 4 5 4 7 2 7 3

    Yeu cau: 1./ Sap xep 20 cong nhan theo bac th bang phng phap phan to2./ Tnh bac th trung bnh cua 20 cong nhan tren.3./ Xac nh mode, so trung v ve bac th cua 20 cong nhan tren4./ Tnh o lech tuyet oi bq, o lech chuan ve bac th cua 20 cong nhan tren

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    4 http://www.ebook.edu.vn Bai 11: Co so lieu ieu tra ve gia tr san xuat san pham thang 12/2008 cua 30 XN

    cung san xuat mot mat hang nh sau: ( n v: trieu ong)

    97 93 94 108 102 102 103 100 115 116

    111 117 117 116 117 113 115 123 129 124

    122 128 122 124 124 121 125 132 130 130

    1. Trnh bay so lieu tren theo phng phap Nhanh va La.2. Bang cach phan nhom co khoang cach eu hay trnh bay lai so lieu tren.

    Lap bang phan phoi tan so, tan so tch luy.

    3. Ve bieu o phan phoi tan so, tan so tch luy.

    Bai 12 : Co so lieu ve ba doanh nghiep nh sau:

    Doanh nghiep Doanh thu thc tenam 2008

    (ty ong)

    So tng oinhiem vu ke hoachve doanh thu nam

    2008 (%)

    So tng oi thchien ke hoach vedoanh thu nam

    2008 (%)

    A

    B

    C

    484,0

    840,0

    772,8

    110

    140

    100

    110

    120

    105

    1. Hay xac nh So tng oi thc hien ke hoach ve doanh thu nam 2008 (%)cua ca 3 doanh nghiep

    2. Hay xac nh So tng oi nhiem vu ke hoach ve doanh thu nam 2008 (%)cua ca 3 doanh nghiep:

    3. Hay xac nh Toc o phat trien ve doanh thu nam 2008 (%) cua ca 3 doanhnghiep

    Bai 13: Mot cong ty a mua vao 500 tan gao vi t le tam la 15% trong khi hpong k ket cung cap 600 tan gao xuat khau vi t le tam 10%.1./ Nh vay, sau khi loai bt tam th 500 tan gao tren con lai e cung cap theohp ong la bao nhieu ?2./ Ngoai ra, cong ty can phai mua them bao nhieu gao vi t le tam 15% e baoam u lng cung cap theo hp ong ?

    Bai 14: Theo so lieu thong ke cua Bo thng mai Viet Nam, kim ngach XK hang detmay cua VN giai oan 1999 2005 nh sau:

    Ch tieu 1999 2000 2001 2002 2003 2004 2005KNXK det may vao thtrng My

    37 49,3 46,8 100,2 196,3 246,6 260,3

    Tong KNXK det may 1682 1815 2000 2752 3689 4386 4806

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    5 http://www.ebook.edu.vn Tong KNXK thuy sanchnh ngach

    974 1479 1816 2022 2200 2408 2739

    Tong KNXK ca nc 11541 14483 15029 16706 20149 26503 32223Yeu cau: Hay dung ch tieu so tng oi thch hp e nhan nh s bo xu hng phattrien cua:

    1/ KNXK hang det may VN sang th trng Hoa Ky.2/ KNXK hang det may VN.

    Bai 15: Tren d lieu sau ve cac quoc gia Asean trong nam 2004, hay dung cac so tngoi thch hp e so sanh tnh hnh kinh te xa hoi cua VN va Thai Lan trong nam 2004:

    Ten quoc gia Dien tch(1000km2) Dan so bnh quan(tr. ngi) GDP theo gia thc te( tr. USD)BruneiKampuchiaong TimorIndonesiaLaoMalaysiaMyanmar

    PhilippinSingaporeThai LanViet Nam

    6181151919237330677

    3000.6513329.3

    0.413.30.9221.95.926.150.5

    84.84.36583.1

    51814596.7339257641.52412.2117775.89081

    86428.6106818.3163491.545358.7

    ong Nam A 4495 556 820834.1

    Bi 16: Cong ty Vnh Thnh co hai x nghiep cung san xuat 1 loai dep xop XK . Solieu ve san lng cua hai x nghiep qua cac nam nh sau :

    Nam 2004 Nam 2005 Nam 2006XNTT2004( tr. SP )

    TT2005( tr. SP )

    TT 2005 sovi TT 2004(%)

    KH2006( tr. SP )

    TT2006( tr. SP )

    KH 2006 so vTT 2005(%)

    % HTK(%)

    VT 1 1 106 1,1024 1,15752VT 2 1,1 110 1,3068 100CTy

    Yeu cau: Hay ien so lieu con thieu vao bang thong ke tren.

    Bai 17: So lieu ve nang suat lao ong (so san pham/ ca san xuat) cua cong nhan haiphan xng nh sau :

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    6 http://www.ebook.edu.vn So cong nhan (ngi)

    So SP/ ca san xuatPhan xng A Phan xng B

    Di 32 2 137 39 0 1040 42 24 13

    43 45 14 2746 48 7 258 4 065 1 0

    Tong cong 52 53

    Yeu cau: 1./ Xac nh NSL trung bnh cua cong nhan tng phanxng va chung hai phan xng.

    2./ Bang cac ch tieu thong ke, hay so sanh s ong eu ve nang suat laoong cua cong nhan gia 2 phan xng.

    Bi 18: Cng ty ch bn g Pht t c 3 phn xng cng sn xut mt hng bn gh3 a bn khc nhau. Tnh hnh sn xut nh sau:

    Xng S CN(ngi)NSL bq thng 1 CN

    (b)Gi thnh hon ton 1 SP

    (1000/b)

    Pht t 1Pht t 2

    Pht t 3

    30

    33

    45

    5

    8

    9

    19.700

    18.500

    19.000Cng ty 108

    Xc nh: 1.NSL 1 CN bnh qun ton cng ty .2.Gi thnh 1 SP bnh qun ton cng ty.

    Bi 19: Toc o phat trien cua ch tieu tong san pham quoc noi (GDP) cua 1 quoc gia quacac thi k nh sau :

    Nam 1999 so vi nam 1995 bng 128%Nam 2003 so vi nam 1999 bang 134%

    Nam 2005 so vi nam 2003 bang 120%Yeu cau : Tnh toc o phat trien bnh quan nam cho cac thi k sau:1. T nam 1995 en nam 19992. T nam 1999 en nam 20033. T nam 2003 en nam 20054. T nam 1995 en nam 2005

    Bai 20 : Nhan vien TK cua hang taxi Bnh An thong ke so lt xe cua hang co

    khach trong 31 ngay lan lt la (n v: lt xe): 50 54 - 42 53 46 48 49 51 55 48 50 51 40 54 40 55 39 50 50 37 50 49 54 39 35 50 34 50 40 54 va 40. Yeu cau:

    1. Tnh so lt xe co khach cua hang bnh quan mot ngay

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    7 http://www.ebook.edu.vn 2. Phng sai ve so lt xe tren3. Tnh he so bien thien ve so lt xe tren. Giai thch ngan gon y ngha.

    Bi 21: Mc chi tieu cua khach nc ngoai khi i du lch en Thai Lan nghien cutren 100 khach nc ngoai trong nam qua nh sau:

    Mc chi cho mua samva giai tr (USD/ngi < 600 600 -800 800 - 1000 1000 -1200 1200

    So du khach (ngi) 15 22 30 23 10Hay tnh t le so du khach tren at mc chi tieu trong khoang (x - ) en ( x + ).

    Bai 22: So san pham san xuat c trong mot ca lam viec cua 5 to cong nhan c ghinhan nh sau: (SP/ngi)

    To 1: 14, 10, 18, 8, 16, 20, 12.To 2: 1, 25, 15, 8, 17, 17, 15.To 3: 7, 25, 15, 9, 14, 16, 12.To 4: 12, 16, 5, 18, 15, 15, 17.To 5: 14, 10, 15, 18, 13, 14, 14.

    Yeu cau:1. Khong can tnh toan, hay sap xep cac to tren theo o ln cua phng sai t

    ln en nho.2. Hay kiem tra lai nhan xet tren bang cach tnh cac o lech tieu chuan cua tng

    to.3. Gia tr trung bnh cua to nao la ai dien tot nhat? Giai thch ngan gon.

    Bai 23: Quy 1 nam 2008 nha may c kh Z at gia tr san xuat 6 ty ong. Ke hoachquy 2 nha may phan au at gia tr san xuat cao hn quy 1 la 4%. Ket thuc quy 2 nhamay hoan thanh vt mc ke hoach 2,5%.

    So cong nhan trc tiep san xuat cua nha may nh sau :Ngay 1 /4 nha may co 210 cong nhan.

    1 / 5 2161 / 6 2181 / 7 218

    Quy lng cua cong nhan trc tiep san xuat :Thang 4 : 159.750 ngan ong.Thang 5 : 167.958 ngan ong.Thang 6 : 177.040 ngan ong.

    Yeu cau : 1./ Gia tr san xuat thc te quy II/2008.2./ Nang suat lao ong bnh quan 1 cong nhan quy II/2008.

    3./ Tien lng bnh quan 1 cong nhan tng thang va ca quy II/2008.Bi 24: Tai lieu thang 3 va thang 4 nam 2008 cua mot x nghiep det nh sau :

    Thang 3 Thang 41. Tong quy lng cong nhan (trieu ong) 483,2 500,2

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    8 http://www.ebook.edu.vn 2. So cong nhan ngay au thang (ngi) 600 /3. Bien ong cong nhan trong thang

    Ngay 05/03 giam 115/03 tang 724/03 tang 4

    Ngay 05/04 tang 518/04 giam 324/04 giam 13

    4. Gia tr tuyet oi cua 1% tang khi lng san pham thang 4 so vi thang 3 la6.040m vai (quy ra met tieu chuan). Khoi lng san pham thang 4 so vi thang 3tang 6,04%.Yeu cau : 1. So sanh tien lng bnh quan cua 1 CN thang 4 so vi thang 3

    2. So sanh NSL bnh quan cua 1 CN thang 4 so vi thang 3.

    Bai 25

    : Nam 2004 x nghiep c kh A san xuat c 3 trieu san pham X. Nam2005 x nghiep phan au at cao hn nam 2004 la 5%. en het quy III nam 2005, xnghiep san xuat c 2,5tr san pham X.

    1/ e nam 2005 hoan thanh vt mc ke hoach 8% th quy IV nam 2005 xnghiep phai san xuat c bao nhieu san pham ?

    2/ Cho biet them ngay 1/10/2005 x nghiep co 300 cong nhan, en ngay16/11/2005 co them 4 cong nhan hoc xong tr ve lam viec. T o enhet nam se khong co bien ong so cong nhan. Nh vay th trong quyIV/2005 bnh quan 1 cong nhan phai san xuat bao nhieu san pham?

    Bi 26: Nam 1996 a phng A at gia tr san xuat 5.500 ty ong. Theo ke hoachnam 2006, gia tr san xuat cua a phng se at gap 2 lan so vi nam 1996. Neu nam2002 a phng at 8.220 ty ong th :

    1./ e nam 2006 hoan thanh vt mc ke hoach 5,5% th trong nhng namcon lai cua ke hoach 10 nam, toc o tang bq cua gia tr sx phai la bao nhieu ?

    2./ Neu cac nam con lai cua ke hoach 10 nam, toc o tang lien hoan la 8%,9%, 11% va 15% th nam 2006 tnh nay hoan thanh bao nhieu % ke hoach ?

    Bai 27: Doanh thu tieu thu tnh theo gia so sanh cua cong ty thng mai X :Nam 2004 tang 5% so vi 2003.Nam 2005 tang 13,4% so vi 2003.Nam 2006 tang 24,7% so vi 2003.Nam 2007 tang 39,7% so vi 2003

    Yeu cau : 1. Xac nh toc o phat trien lien hoan, toc o phat trien bnh quanve doanh thu cua cong ty giai oan 2003 2007.2. Nam 2007, doanh thu tieu thu cua cong ty la 80 ty ong. Hay d oan

    doanh thu tieu thu cua cong ty nam 2010 bang toc o phat trien bnh quan.

    Bai 28: So thu ngan sach cua huyen A giai oan 2004 -2008 tuan t la( t ong ):20 - 22 - 25,66 - 26,943 - 32,3316.

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    9 http://www.ebook.edu.vn Yeu cau: 1. Hay tnh cac ch tieu phan anh tnh hnh bien ong so thu tren:

    lng tang tuyet oi, toc o phat trien, toc o tang, gia tr tuyet oi cua 1% tang.Trnhbay ket qua tnh toan bang bang TK. Cho nhan xet ngan gon ve bien ong so thu NScua a phng trong giai oan tren.

    2. Ve ng bieu dien so thu NS cua a phng theo thi gian.3. Xac nh phng trnh hoi qui tuyen tnh phan anh xu hng phattrien so thu NS cua a phng theo thi gian.4. D oan so thu NS cua a phng nam 2011 :

    a. Theo phng trnh tuyen tnh .b. Theo lng tang tuyet oi bnh quan.

    Bai 29: Bang so lieu ve SL lua thu hoach cua nong trng SH giai oan 2001 2007:Bien ong so vi nam trc

    NamSan lng

    (1000 tan)

    Lng tang

    tuyet oi

    Toc o

    phat trien (%)

    Toc o tang

    (%)

    Gia tr cua 1% tang

    (1000 tan)20012002 203,52 6,020032004 14,4 2,1532005 102,520062007 17,424 107,2

    Yeu cau : 1./ Hay ien cac so lieu con thieu vao bang thong ke tren.2./ Hay d oan san lng nam 2010 cua nong trng :

    a. Theo ham xu the tuyen tnh.b. Theo lng tang tuyet oi bnh quan.

    Bai 30: Co tai lieu ve mc tieu thu mat hang o hop cua cong ty thc pham H theo hethong sieu th qua 3 nam nh sau (n v: trieu ong)

    Thang 2006 2007 2008

    1 112 113 1122 111 112 1123 115 114 1164 118 119 1205 125 124 1266 130 132 1357 140 142 1488 150 152 1509 140 138 136

    10 130 128 12611 118 117 12012 112 113 114

    Ca nam : 1.501 1.504 1.515

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    10 http://www.ebook.edu.vn Yeu cau : Hay tnh ch so thi vu ve tieu thu SP cua cong ty theo he thong sieu th :

    1. Cua tng quy trong nam2. Cua thang 7, 8, 9 trong nam.

    Bai 31: San lng lua thu hoach cua tnh M qua cac nam nh sau :Nam 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008

    San lng lua(trieu tan )

    1,09 1,12 1,13 1,17 1,21 1,24 1,28 1,33 1,41 1,45

    Yeu cau : Hay d oan SL lua thu hoach nam 2011 cua tnh nay bang cac phng phap :1. Lng tang tuyet oi bnh quan.2. Ngoai suy ham xu the. (Dung phng trnh ng thang)

    Bai 32 : Tong ket lng gao XK cua tnh KG qua 10 nam nh sau:

    Nam 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008Lng gao X(trieu tan )

    0.15 0.35 0.5 0.65 0.7 0.9 0.8 0.9 1.1 1

    Nhng thang cuoi nam 2008, e am bao an ninh lng thc trong nc, chnhphu a ieu chnh giam ke hoach XK lng thc. Song, d kien trong nhng nam sapti tnh hnh XK gao cua tnh van tang on nh. Hay d oan lng gao XK cua tnhnam 2010:

    1. Theo ham xu the tuyen tnh.2. Theo lng tang tuyet oi bnh quan.3. Vi tai lieu tren, dung 2 phng phap tren e d oan co phu hp hay

    khong? Giai thch ngan gon.

    Bai 33: Tnh hnh tieu thu SP cua cong ty DONA Bitis giai oan 2004 2008 nhsau:

    DOANH THU TIEU THU TRONG NC (ty ong)Quy2004 2005 2006 2007 2008

    I 68 70.05 90.93 141.45 162II 34 43.45 51.96 113.2 130III 102 122.45 121.24 141.45 168IV 130 154.05 168.87 169.8 180CA NAM 395 433 566 640Yeu cau:

    1. Hay xac nh cac ch so phan anh ac iem thi vu, chu ky, ngau nhien vaphng trnh tuyen tnh phan anh xu hng cua tnh hnh tieu thu tren theo

    mo hnh nhan.2. T o, hay d oan doanh thu tieu thu cua tng quy nam 2009 cua cong ty.

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    11 http://www.ebook.edu.vn Bai 34 : Giam oc XN X cho biet lng trung bnh cua 1 cong nhan trong XN la1.520.000 ong / thang. Chon ngau nhien 36 cong nhan va thay lng trung bnh la1.400.000 ong / thang vi o lech chuan = 160.000 ong. Vi mc y ngha = 5%,li bao cao cua giam oc co tin cay c hay khong ?

    Bai 35 : Trong thap nien 80, trong lng trung bnh cua thanh nien la 48 kg. Nay exac nh lai trong lng ay, ngi ta chon ngau nhien 100 thanh nien o trong lngva c trong lng trung bnh la 50 kg vi phng sai mau hieu chnh s2 = (10 kg )2. Hay kiem tra xem trong lng thanh nien hien nay phai chang a thay oi, vi mcy ngha = 1% ?

    Bai 36 : Theo mot nguon tin th ty le ho dan thch xem chng trnh dan ca tren Tivila 80%. Tham do 36 ho dan thay co 25 ho thch xem chng trnh dan ca. Vi mc yngha = 5%, kiem nh xem nguon tin nay co ang tin cay khong ?

    Bai 37 : Mot may san xuat t ong, luc au ty le san pham loai A la 40%. Sau khi apdung phng phap mi, ngi ta lay 40 mau, moi mau gom 10 san pham em i kiemtra. Ket qua kiem tra cho bang sau :So san pham loai Atrong mau

    1 2 3 4 5 6 7 8 9 10

    So mau 2 0 4 6 8 10 4 5 1 0Vi mc y ngha = 5%, hay cho ket luan ve phng phap san xuat nay.

    Bai 38 : Trong lng cua mot loai san pham theo quy nh la 6 kg. Sau mot thi giansan xuat, kiem tra 121 san pham va tnh c x = 5,975 kg, s2 = 5,7596.Vi mc y ngha = 5%, hay cho ket luan ve tnh hnh san xuat nay.

    Bai 39 : Mot cong ty co mot he thong may tnh co the x ly 1.200 hoa n trong 1gi. Cong ty va nhap 1 he thong may tnh mi. He thong nay khi chay kiem tratrong 40 gi cho thay so hoa n x ly trung bnh trong 1 gi la 1.260 vi o lechchuan la 215 hoa n. Vi mc y ngha = 1%, hay nhan xet xem he thong mi co

    tot hn he thong cu hay khong ?

    Bai 40 : Mot ban nghien cu bao rang mc tieu dung hang thang cua sinh vien la840.000 ong. e kiem tra, ngi ta chon ngau nhien 36 SV va tnh c trung bnhmoi thang ho tieu dung 876.000 ong, vi o lech chuan la 100.000 ong. Vi mc yngha = 1%, nhan nh xem ket luan cua ban thong bao co thap hn s that khong ?

    Bai 41: Mot bao cao noi rang 18% gia nh thanh pho HCM co may tnh ca nhan nha. e kiem tra, ngi ta chon ngau nhien 80 gia nh trong thanh pho co tre em

    ang i hoc va thay rang co 22 gia nh co may tnh. Vi mc y ngha = 2%, haykiem nh xem lieu trong cac gia nh co tre em ang i hoc, ty le gia nh co maytnh cao hn ty le chung hay khong ?

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    12 http://www.ebook.edu.vn Bai 42 : Co so lieu ve doanh so ban cua mot ca hang nh sau :

    Doanh so ( trieu / ngay) So ngay20 -4040 -5050 -6060 -7070 -8080 -90

    90 -100100 -110110 -130

    510202525151083

    Trc ay doanh so ban trung bnh cua ca hang la 65 trieu ong/ ngay. Solieu bang tren c thu thap sau khi ca hang ap dung phng phap ban hang mi.Hay cho nhan xet ve phng thc ban hang mi nay vi mc y ngha = 2%.

    Bai 43 : Giam oc trai ga A xem lai ho s cu cua t khao sat mot mau ngau nhientai trai chan nuoi ga khi xuat chuong thu c so lieu nh sau:

    Trong lng ( kg ) So con2,3 2,72,7 2,92,9 3,13,1 3,33,3 3,5

    3,5 3,7Tren 3,7

    5302510

    55So lieu bo trong trong dong th ba do qua trnh bao quan tai lieu khong tot

    nen b hoen o mat i. Nhng khi xem lai bang tnh cu th thay gia tr trung bnh mauc tnh la 3,075 kg.Yeu cau : 1/. Hay tm va ien lai so lieu b mat nay vao bang tren.

    2/. Ban giam oc trai chan nuoi cho biet ty le ga loai I la 35%. Vi mc yngha = 2%, kiem tra xem nguon tin nay co ang tin cay khong ? Biet rang ga loai Ila ga co trong lng tren 3,3 kg.

    Bai 44 : Do nhan c khieu nai cua ngi tieu dung ve trong lng san pham khixuat xng, cong ty san xuat san pham nay c ngi kiem tra ngau nhien 70 sanpham va co ket qua :Trong lng SP (gr ) 348 349 350 351 353So SP 11 14 15 16 14

    Trc ay trong lng trung bnh cua cac SP la 350 gr. Ngi ta nghi ng hoatong cua may ong bao khong on nh. May c xem la hoat ong on nh neu

    trong lng trung bnh hien nay cua SP khong thay oi so vi trong lng trung bnhcua SP trc ay. Gia thiet trong lng cua SP la ai lng ngau nhien phan phoichuan, vi mc y ngha = 5%, hay a ra nhan xet ve tnh hnh hoat ong cua mayong bao.

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    13 http://www.ebook.edu.vn Bai 45: Mc chi tieu cho mua sam va giai tr cua khach nc ngoai khi i du lch Thai Lan gia s co phan phoi chuan. Ket qua nghien cu tren 100 khach nc ngoaien Thai Lan du lch nam 2005 nh sau:

    Mc chi cho mua samva giai tr (USD/ngi

    < 600 600 - 900 900 - 1000 1000 -1200 1200

    So du khach (ngi) 15 22 30 23 101/ Tnh so trung bnh va o lech chuan ve mc chi tieu cho mua sam va giai trcua mot du khach nc ngoai i du lch Thai Lan ( lay 2 so le ).

    2/ Bao cao cua mot cong ty nghien cu cho rang mc chi tieu cua khach dulch en Thai Lan la 850 USD. Vi mc y ngha = 5%, nguon tin tren co ang tincay khong ?

    Bai 46: e so sanh hieu qua cua 3 loai phan bon oi vi cay ca chua, ngi ta chiamot manh at trong ca chua thanh 3 nhom, moi nhom gom 5 lo co dien tch bang

    nhau. Cac nhom khac nhau se c bon bang cac loai phan bon khac nhau. Nang suatca chua trung bnh moi lo (kg/m2) c cho trong bang sau:

    Phan bon X Phan bon Y Phan bon Z7,07,27,37,57,3

    7,47,57,87,37,2

    7,27,47,37,17,0

    Vi kiem nh ANOVA mc y ngha = 5%, co the noi hieu qua cua 3 loai phanbon la nh nhau co c khong ? ( Gia nh nang suat ca chua co phan phoi chuan,phng sai bang nhau ) (2 iem )

    Bai 47: Trng pho thong c s A mi 3 giao vien boi dng cho 100 hoc sinh d thihoc sinh gioi tin hoc. Chon mau 12 hoc sinh trong 100 hs tren thi th vi ket qua nhsau (thang iem 100).Yeu cau: Vi mc y ngha 5% hay kiem nh xem iem thi cua hoc sinh theo hoc vi

    3 giao vien tren co khac nhau?

    iem ( xij )Nhom phantheo

    tieu thcn/nhan (i)

    STT mauquan sat (j)( )1,1 nj =

    Nhom giaovien A

    Nhom giaovien B

    Nhom giaovien C

    Chung 3 nhom( ) 3,1 == kki

    1

    23

    4

    79

    8694

    89

    71

    7781

    83

    83

    6971

    77

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    14 http://www.ebook.edu.vn So mau quan sat

    Trung bnh mau

    Chenh lech bnh

    phng noi bo

    nhomChenh lech bnh

    phng gia cac

    nhom

    Bai 48: Mot ca hang ln tung ra th trng 3 loai giay mi A, B, C. Co so lieu ve sokhach mua 3 loai giay nay trong 5 ngay au tien theo bang sau:Yeu cau: Vi mc y ngha = 1%, hay so sanh lng giay tieu thu bnh quan cua 3loai giay tren e rut ra ket luan 3 loai giay khac nhau nh tren se co lng tieu thukhac nhau khong?

    Bai 49: Tnh hnh tieu thu vai cua XN det An Thnh trong thang 4/2006 nh sau:1.Doanh thu tieu thu: - Vai KT : 8.250 trieu ong.

    Lng giay tieu thu ( xij : oi )Nhom phan theoloai giay (i)

    SST ngayquan sat (j)

    ( 1,1 nj = )

    Nhom giay A Nhom giay B Nhom giay C

    Chung 3nhom (i =

    k,1 ) k = 3

    1 28 35 332 21 42 383 20 32 324 18 28 425 23 28 30

    So mau quan sat

    Trung bnh mau

    Chenh lech bnhphng noi bo

    nhom

    Chenh lech bnhphng gia cac

    nhom

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    15 http://www.ebook.edu.vn - Vai soie: 6.650 trieu ong.

    2. Gia ban 1 m vai : - Vai KT : 33.000 ong.- Vai soie: 66.500 ong.

    Biet them rang, gia ban 1m vai KT thang 3/2006 la 30.000 ; 1m vaisoie la 70.000 va doanh thu tieu thu 2 mat hang tren trong thang 3/2006 la 14.750trieu ong.

    Yeu cau:1. Xac nh gia ban cac mat hang tren thang 4 so thang 3 tang hay giam bao nhieu % vaieu nay lam doanh thu tieu thu tang hay giam bao nhieu tien.2.Nhan vien kinh doanh cua XN ket luan rang doanh thu tieu thu thang 4 so thang 3tang chng to lng hang hoa tieu thu tang. Ket luan tren ung hay sai? Chng minh.

    Bai 50: Tnh hnh kinh doanh cua rap hat TL trong 2 qu 2008 nh sau:Qu I: 1. Gia ve: - Xem phim: 45 000/ve.

    - Ca nhac: 100 000/ve.2. Lng ve ban: - Xem phim: 10 000 ve.- Ca nhac: 2 000 ve.

    Qu II: 1. Doanh thu cao hn qu I 34 trieu ong.2. Lng ve ban: - Xem phim: 9 000 ve.

    - Ca nhac: 2 100 ve.Yeu cau: Dung phng phap ch so e ch ra nguyen nhan chnh lam

    doanh thu rap hat qu II tang so qu I.

    Bai 51: Tong mc tieu thu hang hoa cua 3 mat hang A, B, C ky nghien cuso vi ky goc tang 20%, mc tang tuyet oi la 360 trieu ong. Gia hai ky, gia catnh chung ca 3 mat hang tang 8%.

    Yeu cau : 1./ Hay xac nh :a./ Tong mc tieu thu hang hoa ky nghien cu va ky goc.b./ Ch so ve lng hang hoa tieu thu chung cho ca 3 mat hang.

    2./ Phan tch s thay oi tong mc tieu thu ca 3 mat hang gia 2 ky.

    Bai 52: Quy lng nhan vien khu vc hanh chnh s nghiep cua quan A thang

    5/2009 la 400 trieu ong. Theo che o tien lng cho cong chc ap dung t thang6/2009 th lng cong chc tang a lam quy lng tra cho cong chc hanh chnh snghiep cua quan thang 6 tang 90 trieu ong so vi thang 5. Ngc lai so cong chc naygiam so thang 5 lam giam quy lng 15 trieu ong.

    1. Nhn chung lng mi cua mot cong chc khu vc hanh chnh s nghiep cuaquan tang bao nhieu % so vi lng cu

    2. Phan tch bien ong quy lng tren qua hai thang do bien ong cua cac nhan toanh hng

    Bai 53: So lieu thong ke cua tnh ong Nai cho biet mc tieu thu gia cam trong tnh(khong ke mc tieu thu cua nong dan t chan nuoi) thang 5/2008 la 1,32 ty ong,

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    16 http://www.ebook.edu.vn tang 32% so vi thang 4/2008. Mat khac gia ban gia cam trong tnh thang 5 so vithang 4/2005 tang 10%. Hay dung phng phap ch so e xac nh:

    1. Do gia tang lam ngi tieu thu gia cam trong tnh thang 5 a chi them baonhieu tien e mua hang?.2. Phan tch bien ong mc tieu thu gia cam cua dan c tnh qua 2 thang do bien

    ong cua cac nhan to?Bai 54: So lieu thong ke cua tnh Bnh Dng cho biet:

    - Gia tr san xuat cong nghiep cua khu che xuat VS nam 2007 la 10.000 ty ong.Nam 2008 la 13.200 ty ong.

    - So cong nhan cua cac doanh nghiep trong khu che suat VS qua 2 nam tang20%.

    Yeu cau: Hay dung phng phap ch so e xac nh:

    1. Gia tr san xuat cong nghiep cua khu che xuat VS tang chu yeu la do nang suatlao ong tang hay so cong nhan tang?

    2. Phan tch bien ong gia tr san xuat cua khu cong nghiep do bien ong cua cacnhan to.

    Bai 55: Tnh hnh tien lng cua CN cong ty may mac Hoan Vu qua 2 nam nh sau:

    Xng SX Tong quy lngnam 2008 (trieuong)

    Ty trong tong quylng nam 2007(%)

    Ty le tang so CN nam2008/2007 (%)

    ABCD

    264132528396

    20153530

    +16+20+10+25

    Biet rang tong quy lng cua 4 xng SX tren nam 2008 so vi nam 2007 tang 10%1/ Xac nh tnh hnh bien ong so cong nhan 4 xng tren qua 2 nam.

    2/ Phan tch bien ong quy lng cua Cong ty qua 2 nam do bien ong cua cac nhanto anh hng.

    Bai 56: Doanh so ban cua he thong sieu th CASINO gom 5 sieu th thanh vien trong2 quy cuoi nam 2004 nh sau (n v: ty ong)

    Sieu th Quy III Quy IVCASINO 1 35 58CASINO 2 30 45

    CASINO 3 27 40CASINO 4 33 47,5CASINO 5 25 30

    CONG 150 220,5

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    17 http://www.ebook.edu.vn Ch so gia ban le hang hoa cua sieu th Quy IV so vi Quy III la 105%.

    Yeu cau: Hay xac nh:

    1. Lng hang hoa tieu thu cua he thong sieu th qua 2 quy tang bao nhieu %?2. Phan tch bien ong doanh so cua he thong sieu th qua 2 quy do bien ongcua cac nhan to.

    Ba i 57:e d bao mot so ch tieu quan trong lien quan en chien lc tai chnh nam2010 va nam 2020 cua quoc gia, nganh tai chnh a ket hp vi nganh thong ke tienhanh ieu tra chon mau ve thu nhap, tiet kiem va au t cua dan c mot so tnhthanh. Thanh pho BMT co 100.000 ho gia nh.

    Yeu cau:Can ieu tra thc te bao nhieu ho gia nh trong trng hp chon co hoan lai vachon khong hoan lai vi o tin cay 95% th pham vi sai so chon mau khong vt

    qua 2,5% va lch chun ca cac lan ieu tra trc la 37%, 42%, 45%.

    Bi 58: Cng ty TNHH Bnh ko Bnh Tn c 500 cng nhn, trong c 100 CN cngthao tc ng gi thnh phm. T k thut ca cng ty va ci tin SX tng nng sutlao ng ca CN ng gi. Chn ngu nhin hon li 50 CN theo di NSLng gi.Kt qu nh sau:

    NSL 1 CN (kg/gi) S CN (ngi)

    20 30

    30 40

    40 50

    50 60

    14

    17

    11

    8

    Tng 50Yu cu:1./ Hy c lng NSL bnh qun mt CN ng gi thnh phm ca cng ty vi tin cy 98%.

    2./ phm vi sai s chn mu khi suy rng NSL bnh qun khng vt qu 3 kgvi tin cy 98%, cn chn m u bao nhiu CN?

    3./ NSL trc ci tin SX l 36,5 kg/ngi/gi. Gi thit rng NSL ca CN cphn phi chun, vi mc ngha 2%, c th kt lun NSL sau ci tin SX cao hnNSL trc ci tin khng ?

    Ba i 59: Ket qua ieu tra chon mau ve trong lng mot loai gia suc sau 2,5 thang

    nuoi nh sau :Trong lng (

    kg/con)< 60 60 62 62 64 64 66 66 - 68 68

    So con 2 7 22 36 19 4

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    18 http://www.ebook.edu.vn Nhng con sau 2,5 thang nuoi co trong lng < 62 kg c coi la cham ln . Vio tin cay 95% , khoang ty le gia suc cham ln cua an la ( % ) :

    a. ( 1,841 18,159 ) c . (3,802 16,198 )b. (9,804 10,196 ) d. (4,905 - 17,211)

    Ba i 60: Bo phan kiem tra chat lng cua cong ty xac nh lng tap chat trong sanpham cua cong ty co phan phoi chuan vi o lech chuan bang 3,8g. Mot mau ngaunhien gom 9 san pham c kiem tra va cho lng tap chat nh sau (g):

    18,2; 13,7; 15,9; 17,4; 21,8; 16,6; 12,3 18,8 16,2Vi o tin cay 90%, lng tap chat trung bnh trong san pham cua cong ty trongkhoang :

    a. 16,42 20,58b. 14,62 17,87c. 14,62 18,78

    d. 14,69 18,85

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    19 http://www.ebook.edu.vn E ON TAP CHNG TK MO TA HIEN TNG - E 1.

    Thi gian lam bai: 60phut

    BANG TRA LISV ghi ap so bai lam vao bang sau:

    CAU CAU1 11

    2 12

    3 13

    4 14

    5 15

    6 167 17

    8 18

    9 19

    10 20

    CAU HOI

    Cau 1:Hay xac nh thu nhap thang bnh quan 1 CNV nganh bu ien tnh AG nam2006 theo tai lieu phan to sau:Thu nhap cua 1 CNV (1000/ng) So CNV (ngi)

    di 600 5600 800 201000 400 20800 1000 50

    1400 tr len 10Cau 2: Vi tai lieu cau 1, tnh o lech tieu chuan ve thu nhap 1 CNV tren.Cau 3: o phan tan cua cac lng bien trong tong the khong anh hng en trnh o

    ai dien cua so bnh quan. ung hay sai ?Cau 4:Co so lieu tong hp cua 3 XN thuoc tong cong ty thng mai Tan Phu trong

    thang 2/2007 nh sau: tien lng bnh quan 1 L tng XN lan lt la 1,5trieu ; 1,2 trieu va 1 trieu . Quy lng tng x nghiep lan lt la 300 trieu, 60 trieu va 100 trieu . Hay xac nh tien lng 1 L bnh quan 3 XN.

    Cau 5:So vi thc te nam 2005, nam 2006 x nghiep Giay Hng Phu at ke hoach giathanh bnh quan 1 oi giay tre em giam 5%. Thc te nam 2006, gia thanh bq 1oi giay la 36100, at 95% ke hoach gia thanh. Hay xac nh toc o phattrien gia thanh 1 oi giay cua x nghiep qua 2 nam (%)?

    Cau 6:Vi tai lieu cau 5, hay xac nh gia thanh ke hoach 1 oi giay nam 2006 (/sp).

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    20 http://www.ebook.edu.vn Cau 7:Hay xac nh san lng bnh quan hang nam cua cong ty det Hng Thnh giai

    oan 2001 2005 theo tai lieu sau:

    Nam 2001 2002 2003 2004 2005

    San lng(tan) 200 216 230 242 260

    Cau 8:Vi tai lieu cau 7, hay tnh toc o tang san lng bnh quan hang nam giaioan 2001 2005 cua cong ty.

    Cau 9: Vi tai lieu cau 7, hay tnh phng sai ve san lng cua cong ty giai oan2001 2005.T cau 10 en cau 12 s dung tai lieu sau ve tnh hnh nhap xang cua 2 ca

    hang kinh doanh xang dau trc thuoc cong ty xang dau Phat at trong 6 thang 2006.

    Quy III Quy IVCahang Lng nhapxang A92(1000 lt)

    Ty le nhapxang A92

    (%)

    Tong lngxang nhap(1000 lt)

    Ty le nhapxang A92

    (%)So 1 5 000 80 5 120 85

    So 2 4 700 70 4 900 80

    Cong ty 9 700 / 10 020 /

    Cau 10: Ty le nhap xang A92 cua cong ty trong quy III la (%):Cau 11: Ty le nhap xang A92 cua cong ty trong quy IV ap dung cong thc so bnhquan nao?

    Cau 12: Kim ngach xuat tieu ngach trong 31 ngay tai ca khau bien gii pha Baccua cong ty SX-XK hang tieu dung Bnh Thanh trong thang 3/2007nh sau(VT: t ong ): 10- 8- 5- 9- 11- 13- 16- 12- 9- 5- 7- 10-11- 17- 6- 9- 15- 19-20- 24- 32- 15- 9- 17- 12- 10- 11- 16- 8- 7- 19. Nhan vien thong ke cong tytnh he so bien thien ( V ) e xet tnh eu an trong xuat hang hang ngay, Vtrong thang 2/2007 la 56%. Hay tnh V trong thang 3 e ket luan trong 2

    thang tren th thang nao cong ty a xuat hang tai ca khau nay eu an hn?

    Cau 13:Vi tai lieu cau 12, neu sap xep KNXK tren thanh 4 nhom ( t phan v ) tthap en cao, hay xac nh KNXK cao nhat trong nhng ngay co KNXK thapnhat va KNXK thap nhat trong nhom nhng ngay co KNXK cao nhat?

    Cau 14: Vi tai lieu cau 12, day so KNXK tren cua cong ty co hnh dang phan phoi:a. oi xng. c. Lech phai.b. Lech trai. d. khong xac nh c.

    Cau 15: Mot chuyen may co 3 to san xuat, nang suat bnh quan 1 cong nhan cua tngto san xuat thang 3/2007 lan lt la 60, 65 va 67 san pham. e tnh nang suatlao ong 1 CN trong thang bnh quan 3 to san xuat bang cong thc so bnhquan so hoc gian n phai co ieu kien g?

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    21 http://www.ebook.edu.vn

    Cau 16: Thong ke so lieu dan nhap c vao tnh BD giai oan 1995 2005 nh sau:+ T 1996 en 2000: moi nam tang 15%+ 2001, 2002: moi nam tang 10%+ 2003 en 2005: moi nam tang 7%Vay bnh quan hang nam trong giai oan 1995 2005, so dan nhap c tnhtang bao nhieu %?

    Cau 17: Chon cau ung trong cac cau sau ay:a. Tieu ch thuoc tnh khong the la ch tieu thong ke.b. oi tng trc tiep cua nghiep vu thong ke la mat so lng cua hien tng.c. Chc nang cua thong ke la mo ta va phan tch hien tng.d. Ca 3 ung.

    Cau 18: Nam 2007, thang 3 so vi thang 2, lng hang xuat qua cang VICT a tang30% hay tang 15000 tan. D kien, lng hang xuat qua cang trong thang 4 se

    at 80000 tan. Neu at nh d kien, toc o tang trng thang 4 so thang 3 cuach tieu nay se cao hay thap hn toc o tang trng thang 3 so thang 2.Cau 19: Vi tai lieu cau 18, e toc o tang trng lng hang xuat qua cang thang 4

    bang toc o tang thang 3 th trong thang 4 cang phai hoan thanh bao nhieu %ke hoach?

    Cau 20: Trong ngay 27/3/2007, cong ty xuat khau lng thc Bau Sen cho gia mualua thm 5% tap chat la 2000/kg. Nhan vien kinh doanh cua cong ty ch muac lua thm 10% tap chat. Vay ho phai mua vi gia bao nhieu?

    E ON TAP CHNG TK MO TA HIEN TNG - E 2.Thi gian lam bai: 60 phutBANG TRA LI

    CAU CAU

    1 11

    2 12

    3 134 14

    5 15

    6 16

    7 17

    8 18

    9 19

    10 20

    CAU HOI

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    22 http://www.ebook.edu.vn

    Cau 1: So vi thc te nam 2005, gia thanh (gt) n v san pham cua x nghiep X theoke hoach nam 2006 giam 5%. T le hoan thanh ch tieu nay trong nam 2006 la95%, gt n v san pham thc te nam 2006 la 18050/sp. Hay xac nh toc ophat trien gt n v san pham cua x nghiep qua 2 nam.

    Cau 2: Vi tai lieu cau 2, xac nh gt n v san pham theo ke hoach nam 2006(/sp).

    Cau 3: Tnh nang suat lua bnh quan vu X cua xa Hoa Thanh theo tai lieu sau:Nang suat lua(ta/ha) Dien tch gieo cay(ha)

    Di 30 1034---- 36 8030---- 32 2032---- 34 4036 tr len 20

    Cau 4: Vi tai lieu cau 3, tnh phng sai ve Nang suat lua tren.Cau 5: Vi tai lieu cau 3, theo qui tac Tchebychev th 55,6% dien tch gieo cay trenri vao khoang nang suat nao?

    Cau 6: Vi tai lieu cau 3, theo qui tac thc nghiem th 95% dien tch gieo cay tren rivao khoang nang suat nao?

    Cau 7: Vi tai lieu cau 3, hay tnh o trai gia ve Nang suat lua vu tren.Cau 8: Tien lng cua 40 cong chc (CC) quan PN thong ke vao ngay 1/1/2007 la:

    Tien lng 1 CC (1000): 987 1231 1762 1934 2244So CC (ngi): 1 18 17 3 1

    Hay so sanh tien lng bnh quan 1 CC ( )x , Mode ve tien lng (Mo) vaso trung v ve tien lng (Me) cua 40 cong chc tren:a. x > Me > Mo c. x > Mo > Meb. Me > x > Mo d. Ca 3 sai

    Cau 9: Mot cong ty thng mai gom 3 cong ty trc thuoc. Tien lng bnh quan 1 laoong trong thang 2/2007 cua tng cong ty lan lt la 1,7 trieu ong, 2 trieuong va 2,3 trieu ong. e tnh tien lng 1 lao ong trong thang bnh quantoan tong cong ty bang cong thc so trung bnh ieu hoa gian n phai co ieukien g?

    Cau 10: Phng sai la so trung bnh . ung hay sai?Cau 11: Kim ngach xuat khau cua cong ty ai Li nam 2006 qua cang SG cao hn

    cang N 25%. Nh vay ngc lai kim ngach xuat khau qua cang N thaphn qua cang SG la bao nhieu % ?

    Cau 12: Ty trong doanh thu du lch noi a cua Cty du lch Hon Que nam 2006 la 40%va du lch nc ngoai la 60%. D tnh nam 2007, doanh thu du lch noi ia setang 10% nhng du lch nc ngoai tang 50%. Vay doanh thu nc ngoaitang 50% se lam doanh thu chung tang bao nhieu?

    Cau 13: Cong thc so trung bnh cong phan anh so trung bnh chu anh hng cua ttrong cac nhom trong tong the ( ket cau tong the ). ung hay sai ?Cau 14: Gia tr TSC bnh quan nam 2001 cua cong ty M la 150 ty ong, cong ty d

    kien en nam 2007 gia tr TSC cua cong ty se at gap oi nam 2001. Thcte, gia tr TSC bnh quan nam 2006 cua cong ty a at 250 ty ong. Vay e

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    23 http://www.ebook.edu.vn at c ke hoach e ra th trong nam 2007, cong ty phai au t vi toc otang trng TSC bnh quan so vi nam 2006 la bao nhieu %?

    Cau 15: Trong cuoc ieu tra chan nuoi heo hang nam tai tnh Y, n v ieu tra la g?Cau 16: Co tai lieu gia tr san xuat CN cua tnh BT qua cac nam nh sau (n v: ty

    ong)Nam 1998: 200 Nam 2000: 220 Nam 2002: 240 Nam 2004: 250Nam 1999: 210 Nam 2001: 220 Nam 2003: 250 Nam 2005: 270Hay xac nh gia tr san xuat CN cua tnh tren bnh quan hang nam trong 8 nam tren.Cau 17: Vi tai lieu cau 16, hay xac nh toc o tang gia tr san xuat CN cua tnh

    bnh quan hang nam giai oan 1998 2005.Cau 18:Thap phan v la 9 tr so phan anh nhng lng bien cao nhat cua 9 nhom co

    lng bien thap nhat. ung hay sai ?Cau 19: So vi nam 2005, gia thanh thc te SP B cua nha may X nam 2006 giam 2%

    hay giam 10000. Tuy nhien, gia thanh thc te nam 2005 van cao hn ke

    hoach nam 2006 la 5000. Vay gia thanh 1 SP B theo ke hoach 2006 la baonhieu?Cau 20: Dien tch khai hoang cua tnh BP a phat trien trong 10 nam qua nh sau: 5

    nam au, moi nam tang 20%; 2 nam ke tiep, moi nam tang 14% va 3 namcuoi, moi nam tang 10%. Vay bnh quan hang nam trong 10 nam tren, dientch khai hoang cua tnh a tang bao nhieu %?

    E ON TAP CHNG DAY SO THI GIAN -Thi gian lam bai: 60phut

    BANG TRA LISV ghi ap so bai lam vao bang sau:

    CAU CAU1 9

    2 10

    3 11

    4 12

    5 13

    6 14

    7 15

    8 16

    CAU HOICau 1: Xac nh gia tr hang hoa ton kho bnh quan cua cong ty thng mai Trng

    Thnh trong nam 2006 theo tai lieu sau ( VT: trieu ong ):

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    24 http://www.ebook.edu.vn Ngay 1/1 : 1300 Ngay 1/5 : 700 Ngay 1/9 : 800

    1/2 : 900 1/6 : 1000 1/10: 1000

    1/3 : 1200 1/7 : 600 1/11: 510

    1/4 : 800 1/8 : 1000 1/12: 500

    31/12: 900

    Cau 2: Tren tai lieu ve kim ngach xuat khau hang my nghe cua cong ty XNK SaoViet trong 3 nam qua , hay tnh ch so thi vu cua qu I trong hoat ong naycua cong ty:

    Kim ngach xuat khau (1000 USD)

    Qu I II III IV Ca nam

    Nam 2004 2400 750 1360 1990 6500

    Nam 2005 3224 1193,5 1800 2200 8417,5Nam 2006 4102 1491,5 2000 2710 10303,5

    Cau 3 :Vi tai lieu cau 2, cho biet Qu lng nhan vien cua cong ty nam 2005tang12% so 2004, nam 2006 tang 18% so 2005 .Vay hang nam trong 3 namqua, toc o tang qu lng cua cong ty nhanh hay cham hn toc o tangKNXK ?

    Cau 4: Vi tai lieu cau 2, cho biet tong so lao ong bnh quan toan cong ty nam 2006la 220 ngi, tang 10% so vi nam 2005.Vay nang suat lao ong bnh quan 1

    nhan vien nam 2006 tang bao nhieu % so 2005 ?Cau 5:Vi tai lieu cau 2, hay xac nh mc tang KNXK bnh quan tng qu

    (1000USD) va toc o tang KNXK bnh quan hang qu (%) trong 3 nam qua ?Cau 6: Vi tai lieu cau 2, neu dung so bnh quan di ong (SBQ trt) cua 3 mc o ,

    ta se tnh c day so bnh quan trt co 10 tr so. T day so trt lan 1 nay,hay xac nh mc tang KNXK bnh quan tng qu (1000USD) va toc o tangKNXK bnh quan hang qu (%) trong 3 nam qua ?

    Cau 7: Tnh hnh bien ong so cong nhan xay dng trong thang 3/2007 cua XN An Phu

    nh sau (VT : ngi ): Ngay 1 : 9240; ngay 7 : tang 240; ngay 23 : giam 90; ngay26 : tang 72. T o en cuoi thang so CN khong oi. Hay xac nh so CN xay dngcua XN bnh quan trong thang?

    Cau 8: Tai lieu tong hp cua CTCP Be tong so 2 giai oan 2001-2006 nh sau:

    Ch tieu VT 2001 2002 2003 2004 2005 20061. GT san

    lng Tr. 175 551 210 477 232 036 264 238 361 934 410 3752.Li nhuan

    sau thue Tr. 12 545 16 814 18 122 19 193 23 071 265323. Thu nhap

    thang bq1 L

    1000 1 892 1 958 2 062 2 142 2 402 2 630

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    25 http://www.ebook.edu.vn Phng hng phat trien cua cong ty trong nhng nam ti nhan nh hoat ong

    SX-KD cua cty se tang trng on nh nh thi gian qua, hay d oan 3 ch tieu trencua cty trong nam 2007 theo phng trnh tuyen tnh.Cau 9:Vi tai lieu cau 8, hay d oan 3 ch tieu tren cua cty trong nam 2007 theo

    lng tang tuyet oi bnh quan.Cau 10: Kim ngach XK cua cty Gom s my nghe Long Trng Bnh Dng nam

    1999 la 196500 USD, nam 2006 la 1605 827,66 USD. Hay d oan KNXK cuacty nam 2006 theo toc o phat trien bnh quan.

    Cau 11 : San lng vai cua cong ty Det TC qua 9 nam nh sau : (n v : trieu m aqui oi)

    Nam 1998 1999 2000 2001 2002 2003 2004 2005 2006Sanlng

    4,10 4,3 4,6 4,9 5,4 5,6 5,8 5,9 6,2

    Hay d oan san lng cua cong ty nam 2008 theo lng tang tuyet oi bnh

    quan ( VT: trieu m)Cau 12 : Vi tai lieu cau 11, t ket qua cua phng trnh hoi qui tuyen tnh, hay chon

    cau ung :a. San lng cua cong ty nam 1997 khoang 3,84 trieu m.b. San lng cua cong ty nam 2002 khoang 5,2 trieu m.c. San lng bnh quan hang nam cua cong ty giai oan 98 2006 la 5,2 tr m.d. Ca 3 ung.

    Cau 13: Quy III nam 2006, nha may c kh Bnh Thanh at gia tr san xuat cong

    nghiep la 60 ty ong. Ke hoach GTSXCN cua nha may quy IV cao hn quy IIIla 4%. Thc te quy IV, nha may hoan thanh vt 2,5% ke hoach GTSXCN.So cong nhan cua nha may: Ngay 1 /10 co 210 CN.

    1 / 11 2161 / 12 21831 /12 218

    Hay xac nh Nang suat lao ong bnh quan 1 CN quy IV/2006.Cau 14 : San lng tieu thu cua cong ty banh keo Kino nam 2001 la 100 ngan tan san

    pham, nam 2005 la 200 ngan tan. Hay d oan san lng tieu thu cua nha may

    nam 2007 theo toc o phat trien bnh quan (1000 tan).Cau 15 : Co so lieu thong ke khong ay u ve li nhuan cua cong ty du lch Chau

    Thanh nh sau:+ C 1% tang li nhuan nam 2006 so 2005 co gia tr la 1,2 ty ong.

    + Toc o tang trng li nhuan nam 2006 so vi nam 2005 la 20%, bang vitoc o tang 2005 so 2002.

    Vay li nhuan nam 2006 tang bao nhieu ty ong so vi nam 2002?

    Cu 16: Tai lieu thang 3 va thang 4 nam 2007 cua x nghiep det TL nh sau :Thang 3 Thang 4

    1. Tong quy lng cong nhan (trieu ong) 724,8 750,32. So cong nhan ngay au thang (ngi) 600 /3. Bien ong cong nhan trong thang

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    26 http://www.ebook.edu.vn Ngay 05/03 giam 1

    15/03 tang 724/03 tang 4

    Ngay 05/04 tang 518/04 giam 324/04 giam 13

    Yeu cau :Xac nh toc o tang tien lng bnh quan cua 1 CN qua 2 thang.

    E ON TAP CHNG PP CH SO.Thi gian lam bai: 30phut

    BANG TRA LI

    SV ghi ap so bai lam vao bang sau:CAU CAU1 6

    2 7

    3 8

    4 9

    5 10

    CAU HOICau 1: Tnh hnh tien lng cua CN c.ty may mac Thanh Hng qua 2 quy nh sau:

    Quy IV/ 2006 Quy I/ 2007Xng SXLng thang

    1CN (tr)So CN(ngi)

    Lng thang1CN (tr)

    So CN(ngi)

    1.

    Cat2. May3. Hoan thanh

    1,20,90,85

    158010

    1,30,950,8

    158515

    Cong ty / 105 / 115

    Hay xac nh: Tien lng CN cong ty, So CN cong ty tang bao nhieu % qua 2 qu?

    Cau 2: Vi tai lieu cau 1, hay xac nh Mc tang qu lng ( tr ) do tang tien lng1 CN, do tang so CN.

    Cau 3 : Vi tai lieu cau 1, cho biet them san lng cua cong ty quy I/2007 tang 17,5%so vi quy IV/ 2006, Chi ph san xuat tang 12,3 %. Ket hp vi ch so so CN cau 1, hay tnh ch so nang suat lao ong, ch so gia thanh san pham cuacong ty qua 2 qu tren ( % ).

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    27 http://www.ebook.edu.vn Cau 4: San lng lua ca 3 vu cua tnh HG nam 2004 at 900 ngan tan. Nam 2006, san

    lng lua cua tnh tang 81 ngan tan so vi nam 2004. Tnh chung ca 3 vu thdien tch gieo cay nam 2006 tang 5% so vi nam 2004. Hay tnh ch so chungve nang suat lua cua tnh qua 2 nam ?

    Cau 5: Tren tai lieu cau 4, neu vi dien tch gieo cay nam 2006 nhng ch at nangsuat lua nh nam 2004 th san lng lua thu hoach c trong nam 2006 se labao nhieu (1000 tan ) ?

    Cau 6: T tai lieu cau 4, cau 5 cho thay san lng lua 2006 a tang bao nhieu ngan tando nang suat thu hoach tang ? do dien tch gieo cay tang ?

    Cau 7:Tnh hnh bien ong chi ph san xuat vat lieu xay dng cua 4 cong ty thuoctong cong ty XD Song Ma trong 2 thang au nam 2007 nh sau:

    Cong ty Chi ph san xuatthang 1 (t )

    Ch so gia thanhthang 2 so 1(%)

    Ch so san lngthang 2 so 1(%)

    SM 1

    SM 2

    SM 3

    SM 4

    12

    15

    22

    10

    95

    100

    98

    102

    103

    110

    120

    97

    Tong cong ty 59 / /

    Hay xac nh: ch so chi ph san xuat vat lieu xay dng cua toan tong cong tyqua 2 thang?

    Cau 8: Tnh hnh tieu thu trong 2 thang phuc vu tet inh Hi cua cong ty thc phamTan Gia Phat- tp HCM- chuyen SX gio cha va lap xng nh sau:

    Thang 1 Thang 2Mat hang n vtnh

    n gia(1000 )

    Lng ban n gia(1000 )

    Lng ban

    1.Gio cha2.Lapxng

    KgKg

    5260

    3000525

    7070

    40002000

    Nh vay qua 2 thang , do gia mat hang gio cha tang a lam cho doanh thu tieuthu cua cong ty tang bao nhieu tien? bao nhieu % ?

    Cau 9: Trong nam 2006, san lng bnh gia co cua cong ty san xuat o gom Phatat- Vnh Long- 6 thang au nam la 10 000 chiec; 6 thang cuoi nam la 8 000chiec. Tong lng nguyen lieu at set hao ph cho SX bnh nay trong 6 thangau nam la 300 tan, trong 6 thang cuoi nam la 264 tan. Vay mc hao ph at

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    28 http://www.ebook.edu.vn set cho 1 n v SP 6 thang cuoi nam cao hn 6 thang au nam la bao nhieu (kg/bnh )?

    Cau 10: T tai lieu cau 9, cho biet them n gia at set trong ca nam khong thay oila 400 000/tan. Vay do mc hao ph nguyen lieu at set cho 1 n v SP tanga lam cho tong chi ph nguyen lieu at set tang len bao nhieu tien ( tr )?

    E ON TAP KIEM NH GIA THIET.

    Thi gian lam bai: 20phut

    BANG TRA LISV ghi ap so bai lam vao bang sau:

    CAU CAU

    1 4

    2 5

    3 6

    CAU HOI

    Cau 1: Tnh nang suat lao ong bnh quan 1 cong nhan cua XN A theo cac so lieu sau:

    NSL 1 CN (SP/ngi)Di 30

    34 36

    30 34

    36 38

    38 tr len

    So CN (ngi)20

    10

    80

    40

    40

    a. 34,12 b. 34,36 c. 34,26 d. Mot so khac

    Cau 2: Tai lieu cau 1 la ket qua ieu tra chon mau e kiem nh li tuyen bo cuaPhong Ky thuat XN. XN au t day chuyen san xuat mi va Phong Ky thuatcho rang NS bnh quan cua 1 CN se at 35 SP/ngi. Hay chon cau ung:

    a. Vi o tin cay 95%, u c s e bac bo li tuyen bo cua phong ky thuat.

    b. Vi sai so 2%, ket luan NSL bnh quan 1 CN thap hn 35 SP.

    c. Ca 2 ung. d. Ca 2 sai.

    Cau 3 : Nhom nghien cu thuoc Nha xuat ban BT a thong tin rang 70% hoc sinh

    cap II van thch oc truyen tranh hn truyen oc van hoc khong hnh ve. ekiem nh gia thuyet tren, ngi ta phong van 225 hoc sinh cap II thu c tle mau la 78%. Chon cau ung trong cac cau sau ay :

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    29 http://www.ebook.edu.vn a. Vi sai so 1%, ket luan rang thong tin cua nhom nghien cu tren la thap

    hn s that.b. Vi o tin cay 98%, ket luan rang t le hoc sinh cap II van thch oc

    truyen tranh hn truyen oc van hoc khong hnh ve la tren 70%.c. Ca 2 ungd. Ca 2 sai.

    Cau 4 : Bo phan ky thuat cua cong ty nc cham Hoan My a thong tin rang 50%khach hang thch nc cham co o ngot. Cong ty phong van 100 ngi tieudung th ch co 38 ngi thch nc cham co o ngot. Cho biet Z 0,005=2.58; Z

    0.01=2,33 ; Z 0,02 =2,06 ; Z 0,025=1,96 ; Z 0,05=1,65. Hay chon cau ung:

    a. Vi sai so 1%, cha the bac bo c li tuyen bo cua bo phan ky thuat.

    b. Vi o tin cay 98%, cha the ket luan di 50% ngi tieu dung thch

    nc cham co o ngot.c. Ca 2 ung d. Ca 2 sai.

    Cau 5 : Hay tnh nang suat lua bnh quan 1 ha theo tai lieu sau :Nang suat lua (ta/ha) Dien tch gieo cay (ha)

    Di 30 1038 di 40 4030 di 34 8034 di 38 4040 tr len 30

    a. 35,35 b. 34,40 c. 34,425 d. 34,45

    Cau 6: Tai lieu cau 5 la ket qua th nghiem giong lua mi. Phong nghien cu luacua S Cong nghiep tuyen bo rang tren at ai cua tnh, giong mi se cho NS36 ta/ha. Kiem nh gia thuyet tren vi sai so chap nhan la 5%. Cho biet: Z0,005=2.58; Z 0.01=2,33 ; Z 0,02 =2,06 ; Z 0,025=1,96 ; Z 0,05=1,65. Hay chon cauung :a. Vi mc y ngha 5%, ket luan bac bo li tuyen bo trenb. Vi mc y ngha 5%, ket luan NS lua thap hn 36 ta/hac. Ca 2 ungd. Ca 2 sai