Predicting Highway MPGUse the data inCars2020to fit a regression line to predict the highway gas mileage (HwyMPG) of car models using the mileage rating for city driving (CityMPG).

(a) What is the regression line?

Intercept =_________(round to two decimal places)

Slope =____________(round to three decimal places)

(b) The Toyota Corolla is rated at 23 mpg in the city and 40 mpg on the highway. Find the residual for the Corolla for this fitted model. Round to two decimal places.