2012_09_lyp_mathematics_sa2_23.pdf
TRANSCRIPT
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A 2 15 ,x B 3 25 ,x
C D 50
5
8
7
8
3
8
1
2
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A D
ADB
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ACB 70 BDC
22
7
22
7
2
5
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A C
1
3
B 60 C 45
22
7
22
7
x : 5 10 15 20 25
f : 6 p 6 10 5
Sum 2 3 4 5 6 7 8 9 10 11 12
Frequency 14 20 32 45 62 65 60 43 36 18 5
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2 10 4 5
620 13
x x
A 60 A B
Marks 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Number of students 5 10 4 6 7 3 2 2 3 9
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A 2 15 ,x 3 25x
C D 50
5
8
7
8
3
8
1
2
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A D
A C
ADB
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ACB 70 BDC
22
7
22
7
22
7
2
5
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1
3
B 60 C 45
22
7
22
7
x : 5 10 15 20 25
f : 6 p 6 10 5
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2 3 4 5 6 7 8 9 10 11 12
14 20 32 45 62 65 60 43 36 18 5
2 10 4 5 6
20 13
x x
12
2
A 60 A B
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0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
5 10 4 6 7 3 2 2 3 9