In exercise 4, the following estimated regression equation relating sales to inventory investment and advertising expenditures was
Question:
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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