Essay
Demographic Variables and TV Narrative
A statistician wanted to determine if the demographic variables of age, education, and income influence the number of hours of television watched per week. A random sample of 25 adults was selected to estimate the multiple regression model: , where y is the number of hours of television watched last week,
is the age (in years),
is the number of years of education, and
is income (in $1000s). The computer output is shown below.
The regression equation is
S = 4.51 R-Sq = 34.8%
Analysis of Variance
-Refer to Demographic Variables and TV Narrative. Is there sufficient evidence at the 1% significance level to indicate that hours of television watched and age are linearly related? Justify your conclusion.
Correct Answer:

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Rejection region: | t | >
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Correct Answer:
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Rejection region: | t | >
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