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

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

Data From Chapter 6 Exercise 41

Here are engine size (displacement, in liters) and gas mileage (estimated combined city and highway) for a random sample of 35 2016 model cars (taken from Fuel Economy 2016 and identified in the data with Sample = “Yes”)

CombinedMPG 33.46 3.23.

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