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How does the horsepower and weight affect the mileage of family Sedan ? Data from a sample of 20 2010 family sedans were collected and organized and stored in Auto 2010 :

a) State the multiple regression equation

b) interpret the meaning of the slopes b1 and b2

c) Explain why the regression coefficient b0 has no practical meaning in the context of this problem

Audi A3 25 200 3305
Chevrolet Malibu 25 169 3355
Chrysler Sebring 23 173 3335
Dodge Avenger 20 235 3550
Ford Fusion 22 240 3530
Honda Accord 23 177 3270
Kia Optima 25 175 3150
Kia Rondo 21 192 3660
Mazda6 24 170 3185
Mercury Milan 24 175 3365
Mitsubishi Galant 23 160 3430
Nissan Altima 26 175 3155
Nissan Maxima 22 290 3555
Suburu Legacy 25 170 3390
Suburu Outback 24 170 3795
Toyota Camry 26 169 3335
Volkswagen CC 24 200 3370
VolkswagenPassat 24 200 3465
Volvo S40 23 168 3245
VolvoV50 20 227 3555

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