12.42 Loves TV and exercise For the Georgia Student Survey file on the book’s website, let y = time exercising and x = time watching TV. One student reported watching TV an average of 180 minutes a day and exercising 60 minutes a day. This person’s residual was 48.8 and the standardized residual was 6.41.

a. Interpret the residual, and use it to find the predicted value of exercise.

b. Interpret the standardized residual.