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 those data, SST 16,000 and SSR 12,000.

a. For the estimated regression equation given, compute R2

.

b. Compute .

c. Does the model appear to explain a large amount of variability in the data? Explain.

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Statistics For Business And Economics

ISBN: 9780324783247

11th Edition

Authors: Thomas A. Williams, Dennis J. Sweeney, David R. Anderson

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