# Horsepower and weight were used to predict miles per gallon (stored in Auto2012). Develop a regression model

## Question:

a. At the 0.05 level of significance, is there evidence that the interaction term makes a significant contribution to the model?

b. Which regression model is more appropriate, the one used in this problem or the one used in Problem 14.5? Explain.

For Information: Problem 14.5

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## Step by Step Answer:

**Related Book For**

## Statistics For Managers Using Microsoft Excel

**ISBN:** 772

7th Edition

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