14. In exercise 4, the following estimated regression equation relating sales to inventory in- vestment and advertising
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14. In exercise 4, the following estimated regression equation relating sales to inventory in- vestment and advertising expenditures was given. =25+ 10x, +8x2 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 R.
b. Compute R
c. Does the model appear to explain a large amount of variability in the data? Explain.
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Related Book For 
Essentials Of Modern Business Statistics
ISBN: 9780324312843
3rd Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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