6 Perform the regression and write the estimated regression equation. Do the coefficient signs agree with your a priori expectations? (Round your answers to 4 decimal places.) Expicture Click here for the Excel Data Set A 1.87 Mileage and Other Characteristics of Randomly Selected Vehicles (n = 73, k = 4) points Obs Vehicle CityMPG Length Width Weight Man Tran Acura TL 20 109.3 74.0 3,968 Skipped Audi A5 22 108.3 73.0 3, 583 3 BMW 4 Series 428i 22 182.6 71.9 3,470 71 Volkswagen Passat SE 24 191.6 72.2 3,230 72 Volvo 560 75 21 182.2 73.4 3,528 73 Volvo XC90 16 189.3 76.2 4, 667 eBook y = length - width - Weight - Man Tran HintA B C D F F G H 1 Obs Vehicle CityMPG Length Width Weight ManTran 1 Acura TL 20 109.3 74 3968 0 2 Audi A5 22 108.3 73 3583 3 BMW 4 Series 428i 22 182.6 71.9 3470 4 BMW X1 sDriv 23 176.5 70.8 3527 5 Buice LaCrosse 18 196.9 73.1 3990 7 6 Buick Enclave 15 201.9 79 4724 7 Buick Rega 21 190.2 73.1 3692 8 Cadillac ATS 22 182.8 71.1 3315 10 9 Cadillac CTS 20 195.5 72.2 3616 11 10 Cadillac Escalade 14 202.5 79 5527 12 11 Chevrolet Camaro 15S 16 190.6 75.5 3719 13 12 Chevrolet Cruze LS 26 181 70.7 3097 14 13 Chevrolet Impala LTZ 22 201.3 73 380 15 14 Chevrolet Malibu 2LT 25 191.5 73 3532 16 15 Chevrolet Spark LS 31 144.7 61 2269 17 16 Chevrolet Suburban LTZ 15 224 30.5 5674 18 17 Chrysler 200 Touring LX 20 191.7 72.5 3402 19 18 Chrysler 300 S 19 198.6 75 4029 20 19 Dodge Charger SXT 19 199.9 75 3996 21 20 Dodge Dart Limited 23 183.9 72 3242 22 21 Fiat 500 Sport 31 139.6 64.1 2434 23 22 Ford Fiesta S 24 159.7 67.8 2575 24 23 Ford Focus SE 27 178.5 71.8 2960 25 24 Ford Mustang GT 15 188.5 73.9 3618 26 25 Ford Taurus 19 202.9 76.2 4054 27 26 Honda Accord LX 24 191.4 72.8 3192 28 27 Honda CRV LX 25 178.3 71.6 3305 29 28 Hyundai Azera Limited 19 193.3 73.2 3605 30 29 Hyundai Genesis 5.0 15 196.5 74.4 4240 31 30 Hyundai Santa Fe GLS 26 193.1 74.2 3933 32 31 Infiniti Q60 19 183.1 71.8 3633 33 32 Infiniti QX50 17 182.3 71 3790 34 33 Jaguar F-Type 20 176 75.7 3477 35 34 Jeep Compass Limited 21 175.1 71.4 3258 36 35 Jeep Grand Cherokee Limited 27 189.8 76.5 4685 37 36 Kia Forte LX 25 179.5 70.1 2776 38 37 Kia Soul 24 163 70.9 2615 39 38 Kia Sportage LX 21 174.8 73 3186\f