Question: Engine size In Chapter 6, Exercise 41 we examined the relationship between the fuel economy (CombinedMPG) and Displacement (in liters) for 1211 models of cars.

Engine size In Chapter 6, Exercise 41 we examined the relationship between the fuel economy (CombinedMPG) and Displacement (in liters) for 1211 models of cars. (Data in Fuel economy 2016) Further analysis produces the regression model CombinedMPG = 33.46 - 3.23 Displacement. If the car you are thinking of buying has a 4-liter engine, what does this model suggest your gas mileage would be?

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