Stat 200 Homework 8 Assignment
Lane Chap. 15
10. If an experiment is conducted with 5 conditions and 6 subjects in each condition, what are dfn and dfe?
17. The following data are from a hypothetical study on the effects of age and time on scores on a test of reading comprehension. Compute the analysis of variance summary 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 design between-subjects or within-subjects?
b. Create an ANOVA summary table.
Illowsky Chap.13
69. A researcher wants to know if the mean times (in minutes) that people watch their favorite news station are the same. Suppose that Table 13.24 shows 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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Solution: Stat 200 Homework 8 Assignment Solution (2015)
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