Reviewing a Movie The contingency table shows how a random sample of adults rated a newly release
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Reviewing a Movie The contingency table shows how a random sample of adults rated a newly released movie and gender. At a = 0.05, can you conclude that the adults’ ratings are related to gender?
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Reviewing a Movie The contingency table shows how a random sample of adults rated a newly release
1 answer below »
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Gender
Excellent
Good
Fair
Poor
Male
97
42
26
5
Female
101
33
25
11
The table shows the metacarpal bone lengths (in centimeters) and the heights (in centimeters) of nine adults. The equation of the regression line is ny = 1.700x + 94.428.
Metacarpal bone length, x
45
51
39
41
48
49
46
43
47
Height, y
171
178
157
163
172
183
173
175
173
(a) Find the coefficient of determination r2 and interpret the results.
(b) Find the standard error of estimate se and interpret the results.
(c) Construct a 95% prediction interval for the height of an adult whose metacarpal bone length is 50 centimeters. Interpret the results.
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