STAT 200. Answers questions Below
Lane Chapter 15
All material presented in the ANOVA Chapter
10. If an experiment is conducted with 5 conditions and 6 subjects in eachcondition, what are dfn and dfe?
17. The following data are from a hypothetical study on the effects of age and timeon scores on a test of reading comprehension. Compute the analysis of variancesummary table.

12year olds 
16year olds 
30 minutes 
66 68 59 72 46 
74 71 67 82 76 
60 minutes 
69 61 69 73 61 
95 92 95 98 94 
ADHD Treatment (AT) case study
http://onlinestatbook.com/2/case_studies/adhd.html
28. (AT) The dataset ADHD Treatment has four scores per subject.
a. Is the designbetweensubjects or withinsubjects?
b. Create an ANOVA summary table.
Illowsky Chapter 13
69.A researcher wants to know if the mean times (in minutes) that people watch their favorite news stations are the same.
Suppose thatTable 13.24shows the results of a study
CNN 
FOX 
LOCAL 
45 
15 
72 
12 
43 
37 
18 
68 
56 
38 
50 
60 
23 
31 
51 
35 
22 

Assume that all distributions are normal; the four population standard deviations are approximately the same, and the data
were collected independently and randomly. Use a level of significance of 0.05.

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