Question

The equation yˆ=0.3418x+14.3818 models the fuel economy of a car, in mpg, where x is the car’s speed in mph. According to the regression equation, what is the approximate fuel economy for this vehicle at 65 mph? about 22 mpg about 37 mpg about 46 mpg about 49 mpg

Answer 1

Explanation:

37

Answer 2

The fuel economy of the vehicle at 65 mph can be determined using the given equation. The fuel economy, y, can be solved by substituting the car's speed, x, to 65. Doing this, will result to y = 36.5988. Thus, the correct answer among the choices is that the fuel economy of the vehicle at 65 mph is about 37 mpg.