(a) Find the least-squares regression line treating weight as the explanatory variable and miles per gallon as the response variable. (Round the x coefficient to five decimal places as needed. Round the constant to two decimal places as needed.)

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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 per gallon in the city for the most recent model year. Complete parts (a)
through (d) below.
E 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.
(Round the x coefficient to five decimal places as needed. Round the constant to two decimal places as needed.)
Transcribed Image Text: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 per gallon in the city for the most recent model year. Complete parts (a) through (d) below. E 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. (Round the x coefficient to five decimal places as needed. Round the constant to two decimal places as needed.)
Weight
(pounds), x
Miles per
Gallon, y
3769
18
3937
15
2662
24
3612
18
3347
20
2917
24
3640
17
2668
24
3381
18
3880
17
3286
19
Transcribed Image Text:Weight (pounds), x Miles per Gallon, y 3769 18 3937 15 2662 24 3612 18 3347 20 2917 24 3640 17 2668 24 3381 18 3880 17 3286 19
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