MAT 162-104 Test 2 Formi A (17) An engineer wants to determine how the weight of a gie powered car. ", at October Dik fects gas mileage, v. The accompanying data represent the weights of various domestic cars and their mile per gallon in the city for the most recent model year. Complete part () and (b) Welglitz 3745 Miles Per Gallon y 3781 2685 3629 20 3279 20 3063 3781 18 2543 25 3378 18 3737 16 (a) Find the least squares regression line treating weight as the explanatory variable and miles per gallon as the response variable. Round a to five places as needed and b to one decimal places as needed. y (b) A certain gas powered car weighs 3665 pounds and gets 17 miles per gallon. Is the miles per gallon of this car above average or below average for cars of this weight? Round to three decimal places as needed