In Problem 14.6 on page 583, you used radio advertising and newspaper advertising to predict sales (stored
Question:
a. Perform a residual analysis on your results.
b. If appropriate, perform the Durbin-Watson test, using α = 0.05.
c. Are the regression assumptions valid for these data?
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Related Book For 
Basic Business Statistics Concepts And Applications
ISBN: 9780132168380
12th Edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
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