Cars from an online service were examined to see how fuel efficiency (highway mpg) relates to cost (in dollars).According to the regression equation, a used car that costs $13,000 is predicted to get about 30.24 miles per gallon.According to the data, the car got 35 miles per gallon.What is the value of the residual for this car?
A)-4.76
B)+1.16
C)+4.76
D)+65.24

Question

Quizplus · Accepted Answer

The residual is calculated as the observed value minus the predicted value. Here, it is 35 (observed mpg) - 30.24 (predicted mpg) = 4.76.

Cars from an Online Service Were Examined to See How