In Problem 14.5 on page 530, you used horsepower and weight to predict mileage. a. Plot the

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In Problem 14.5 on page 530, you used horsepower and weight to predict mileage.
a. Plot the residuals versus i.
b. Plot the residuals versus X1i.
c. Plot the residuals versus X2i.
d. In the residual plots created in (a) through (c), is there any evidence of a violation of the regression assumptions? Explain.
e. Should you compute the Durbin-Watson statistic for these data? Explain.
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Statistics For Managers Using Microsoft Excel

ISBN: 772

7th Edition

Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat

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