Perform the regression and write the estimated regression equation. Do the coefficient signs agree with your a prior expectations? (Round your answers to 4 decimal places.) A picture Click here for the Excel Data Set A Mileage and Other Characteristics of Randomly Selected Vehicles (n = 73, * = 4) Obs Vehicle CityMPG Length Width Weight Man Tran Acura TL 20 109.3 74.0 3968 2 Audi A5 22 108.3 73.0 3583 BMW 4 Series 428i 22 182. 6 71.9 3470 71 Volkswagen Passat SE 24 191. 6 72.2 3230 72 Volvo S60 T5 21 182.2 73.4 3528 73 Volvo XC90 16 189.3 76.2 4667 length - Weight - Man Tran