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.
|
12-year olds |
16-year 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 designbetween-subjects or within-subjects?
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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