Data on sales revenues Y, television advertising expenditures X1, and print media advertising expenditures X2 for a

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Data on sales revenues Y, television advertising expenditures X1, and print media advertising expenditures X2 for a large retailer for the period 1988-1993 are given in the following table:

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a. State the model for the regression of sales revenue on television advertising expenditures and print advertising expenditures.
Use the accompanying computer output to answer the following questions.
b. State the estimate of the model in part (a). What is the estimated change in sales revenue for every $ 1,000 increase in television advertising expenditures? What is the estimated change in sales revenue for every $1,000 increase in print advertising expenditures?
c. Find the R2-value for the regression of Y on X1 and X2. Interpret your result.
d. Predict the sales for a year in which $5 million is spent on TV advertising and $1 million is spent on print advertising.
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Applied Regression Analysis And Other Multivariable Methods

ISBN: 632

5th Edition

Authors: David G. Kleinbaum, Lawrence L. Kupper, Azhar Nizam, Eli S. Rosenberg

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