Expert answer:Need help with Stat week 8
Answer & Explanation:stat week 8stat_week_8.docx
stat_week_8.docx
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Lane Chapter 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.
30 MIN
60 MIN
12 YRS OLD
66
16 YEARS OLD
74
68
71
59
67
72
82
46
69
76
95
61
92
69
95
73
98
61
94
ILLOWSKY Chapter 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. 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.
CNN
45
12
18
38
23
35
FOX
15
43
68
50
31
22
LOCAL
72
37
56
60
51
71. Are the mean number of times a month a person eats out the same for whites, blacks, Hispanics and
Asians? Suppose that Table 13.26 shows the results of a study. 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.
White
6
8
2
4
6
Black
4
1
5
2
Hispanic
7
3
5
4
6
Asian
8
3
5
1
7
81. Is the variance for the amount of money, in dollars, that shoppers spend on Saturdays at the mall the
same as the variance for the amount of money that shoppers spend on Sundays at the mall? Suppose that
the Table 13.34 shows the results of a study.
Saturday Sunday Saturday Sunday
75
44
62
137
18
58
0
82
150
61
124
39
94
19
50
127
62
99
31
141
73
60
118
73
89
…
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