Question: Consider the gasoline mileage data in Exercise 12-5. (a) Discuss how you would model the information about the type of transmission in the car. (b)

Consider the gasoline mileage data in Exercise 12-5.
(a) Discuss how you would model the information about the type of transmission in the car.
(b) Fit a regression model to the gasoline mileage using engine displacement, horsepower, and the type of transmission in the car as the regressors.
(c) Is there evidence that the type of transmission affects gasoline mileage performance?

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