MATH 221 WEEK 2 LECTURE

B Heard

(Don’t copy or steal, students can download one copy for personal

use)

MATH 221 WEEK 2 LECTURE The lab, where is it?

MATH 221 WEEK 2 LECTURE What do I do? Put your name on it and start.

MATH 221 WEEK 2 LECTURE

Load data in Minitab. “Open Project” under file, then change the “Look

in” to pshop$(\\ilabss)(G:)

MATH 221 WEEK 2 LECTURE Select Math 221 (Double Click) Then select Math 221_LabData Minitab

(Double Click)

MATH 221 WEEK 2 LECTURE You should now have…

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE I changed the data! My answer will be

different…

MATH 221 WEEK 2 LECTURE If you want, you can change the colors

of the pie pieces by right clicking on the piece, choosing Edit Pie, choosing Custom Fill Pattern and changing color.

MATH 221 WEEK 2 LECTURE That’s the only way to get the colors to

come out right (the program can’t tell colors)

I personally don’t worry about it!

MATH 221 WEEK 2 LECTURE Paste into lab… (MS Word document)

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE Just follow the instructions

MATH 221 WEEK 2 LECTURE I changed the data!!!

MATH 221 WEEK 2 LECTURE Just paste into lab document..

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE Follow the instructions… Click “OK”

MATH 221 WEEK 2 LECTURE In the Session window you get your results

(remember I changed the data on ALL of these)

MATH 221 WEEK 2 LECTURE It is important to note….

This is my stem and leaf…

MATH 221 WEEK 2 LECTURE Enter into your lab document…

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE

Follow the instructions… (Remember I changed the data, these are not the correct answers)

MATH 221 WEEK 2 LECTURE Just follow the instructions.. (I changed data)

MATH 221 WEEK 2 LECTURE You get your results in the Session window…

MATH 221 WEEK 2 LECTURE Just fill in the table…

MATH 221 WEEK 2 LECTURE

Remember I changed the data…. Just put results in the table….

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE

Just look at the pie graph and answer number 5. Of course, there will be a color where I have a blank.

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE

Just answer the question, in my case, I noted that most students ranged between 64 and 74 inches with 4 actually being around 70 inches tall. (Remember I changed data.)

MATH 221 WEEK 2 LECTURE On your discussion of the histogram,

yours could be skewed left, skewed right etc.

Make sure to discuss the shape Mine was a little skewed left, but not so

much

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE Answer the question.

MATH 221 WEEK 2 LECTURE Why did I say that?

Rotate it, then look at the distribution.It looks like it has a tail on the right (right skewed).

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE Just answer the questions…

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE

Answer the question and remember I CHANGED the data.

MATH 221 WEEK 2 LECTURE

Remember the Empirical Rule is sometimes called the “68, 95, 99.7 Rule” because it says 68% of the values are between +/- one standard deviation, 95% of the values are between +/- two standard deviations and 99.7% of the values are between +/- three standard deviations.

MATH 221 WEEK 2 LECTURE Answer the question…

I changed the data!

MATH 221 WEEK 2 LECTURE

MATH 221 WEEK 2 LECTURE Answer the question…

Remember I changed the data!

MATH 221 WEEK 2 LECTURE

Save your Week 2 Lab and submit the Microsoft Word document in the Dropbox area under Week 2 iLab.

MATH 221 WEEK 2 LECTURE Click Week 2 iLab and upload so your

instructor can grade.

MATH 221 WEEK 2 LECTURE I post other helpful information on my

Statcave site at http://www.facebook.com/statcave

You DO NOT have to be a Facebook person to see this

It is convenient for me to post there and it is just for fun. It is NOT required to go to there.

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