Part 1 of 4 O Points: 0 of 1 An engineer wants to determine how the weight of a gas powered car, x, affects gas mileage, y. The accompanying data represent the weights of various domestic cars and their miles K per gallon in the city for the most recent model year. Complete parts (a) through (d) below. Click here to view the weight and gas mileage data. (a) Find the least-squares regression line treating weight as the explanatory variable and miles per gallon as the response variable. y =x +() (Round the x coefficient to five decimal places as needed. Round the constant to one decimal place as needed.) -X Car Weight and MPG Weight Miles per (pounds), x Galion, y 3701 16 3874 15 2779 24 3503 20 3376 21 2981 23 17 2565 23 3451 19 w an example Get more help . 3839 18 Check