South University Amanda in the Glass Menagerie Analytical Review

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Exercise 15.29 (Self-Test) Algorithmic
Question 11 of 12
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Use computer software packages, such as Minitab or Excel, to
solve this problem.
The owner of Showtime Movie Theaters, Inc., used multiple
regression analysis to predict gross revenue (w) as a function of
Values of y, zı, and 2, are expressed in thousands of dollars.
Televison
Weekly Gross
Revenue
(\$1000s)
(\$1000s)
Newspaper
(\$1000s)
96
5
1.5
90
2.
2
95
4
1.5
92
2.5
2.5
95
3
3.3
94
3.5
2.3
94
2.5
4.2
94
3
2.5
The estimated regression equation was
ŷ = 83.2 + 2.29×1 + 1.3.22
a. What is the estimated gross revenue for a week where \$3.5
thousand is spent on television (21 = 3.5) and \$1.8 thousand is
spent on newspaper advertising (12 = 1.8) (to 3 decimals)?
b. Provide a 95% prediction interval for next week’s revenue,
assuming that the advertising expenditures will be allocated as
in part (a) (to 2 decimals).
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Exercise 15.29 (Self-Test) Algorithmic
Question 11 of 12
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