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# Math 221 week 2 lecture nov 2012

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This is the Week 2 Lecture Material

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### Math 221 week 2 lecture nov 2012

1. 1. B Heard (Don’t copy or steal, students candownload one copy for personal use)
2. 2.  The lab, where is it?
3. 3.  What do I do? Put your name on it and start.
4. 4.  Load data in Minitab. “Open Project” under file, then change the “Look in” to pshop\$(ilabss)(G:)
5. 5.  Select Math 221 (Double Click) Then select Math 221_LabData Minitab (Double Click)
6. 6.  You should now have…
7. 7. I changed the data! My answer will be different…
8. 8.  Ifyou 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.
9. 9.  That’sthe only way to get the colors to come out right (the program can’t tell colors)
10. 10.  Paste into lab… (MS Word document)
11. 11.  Just follow the instructions
12. 12. I changed the data!!!
13. 13.  Just paste into lab document..
14. 14.  Follow the instructions… Click “OK”
15. 15.  In the Session window you get your results (remember I changed the data on ALL of these)
16. 16.  It is important to note….
17. 17.  Enter into your lab document…
18. 18.  Followthe instructions… (Remember I changed the data, these are not the correct answers)
19. 19.  Just follow the instructions.. (I changed data)
20. 20.  You get your results in the Session window…
21. 21.  Just fill in the table…
22. 22.  Remember I changed the data…. Just put results in the table….
23. 23.  Just look at the pie graph and answer number 5. Of course, there will be a color where I have a blank.
24. 24.  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.)
25. 25.  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
26. 26.  Answer the question.
27. 27.  Why did I say that?
28. 28.  Just answer the questions…
29. 29.  Answer the question and remember I CHANGED the data.
30. 30. Remember the Empirical Rule is sometimes called the “68,95, 99.7 Rule” because it says 68% of the values arebetween +/- one standard deviation, 95% of the values arebetween +/- two standard deviations and 99.7% of thevalues are between +/- three standard deviations.
31. 31.  Answer the question…
32. 32.  Answer the question…
33. 33.  Save your Week 2 Lab and submit the Microsoft Word document in the Dropbox area under Week 2 iLab.