Fuel Economy. For Exercises 60–67, refer to the table of fuel economy data from Exercises 80–84 in Section 4.2. The predictor variable is , expressed in liters; the response variable is , expressed in miles per gallon (mpg).
Question 4.266
65. Refer to the previous exercise. What if we added an unknown amount to the engine size of the new vehicle? Describe how this change would affect the slope and the intercept.
4.3.65
The slope would increase and the intercept would decrease.