In exercise 4, the following estimated regression equation relating sales to inventory investment and advertising expenditures was
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In exercise 4, the following estimated regression equation relating sales to inventory investment and advertising expenditures was given.
The data used to develop the model came from a survey of 10 stores; for these data SST 16,000 and SSR 12,000.
a. Compute SSE, MSE, and MSR.
b. Use an F test and a .05 level of significance to determine whether there is a relationship among the variables.
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Related Book For
Statistics For Business And Economics
ISBN: 9780324783247
11th Edition
Authors: Thomas A. Williams, Dennis J. Sweeney, David R. Anderson
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