Chapter 11 – Study Notes

 

1. What is ANOVA?
2. Instead of doing 1 test that determines if mean1=mean2=mean3, why don’t we do 3 tests (mean1=mean2, mean2=mean3, mean1= mean3)?
3. What are the properties of the F-distribution?
4. What are the assumptions of the one-way ANOVA?
5. Is the ANOVA test robust?
6. What is a treatment?
7. Read and study the example given on pages 618-20?
8. How is the F statistic calculated?
9. What is another name for ‘variance between samples’?
10. What is another name for ‘variance within samples’?
11. Read through the explanation of unequal sample sizes on page 622-625
12. If the ANOVA test finds that the means are different, then further testing must be conducted to determine where the differences exist. What multiple comparison procedures can be used at this point?
13. The procedures used to employ ANOVA using STATDISK are given on page 625.

 

Work the odd problems on pages 626-630

 

14. Two way ANOVA involves ____ factors.
15. What are the assumptions of the two-way ANOVA?
16. Doing two one-way ANOVAs instead of one two-way ANOVA ignores the effect of __________ between the two factors.
17. The flowchart for analyzing data using two-way ANOVA is given on page 634.
18. STATDISK does not do a two-way ANOVA

 

Work the odd problems on pages 638-641.

 

Work through the Review and Cumulative Review Exercises on pages 642-5

 

Math 1442 students, answer the 4 questions on page 641 (Birth Order Affects Height) and the questions on page 648 (Critical Thinking). Also, read the article on pages 650-1 and answer the question of ‘Do you agree with the idea that managers should have some knowledge of statistics?” Why or why not? – Email your answers to these questions to [email protected] before taking the Chapter 11 exam.

 

The Chapter 11 test will be available starting on _______ until ________. This test consists of 9 multiple choice questions and has a time limit of 20 minutes. You can use your textbook and notes as you take the exam.