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4.4 Consider the multiple regression model fit to the gasoline mileage data. TABLE B.3 Gasoline Mileage Performance for 32 Antomobiles Automobile y X₁ X₂ X₁ X₁ Xs Xq Xy X₂ X10 X11 Apollo 69.9 3910 A Omega 72.9 2860 A Nova 72.2 3510 A 18.90 350 165 260 8.0:1 2.56:14 3 17.00 350 170 275 8.5:1 2.56:1 4 3 20.00 250 105 185 8.25:1 2.73:1 1 3 18.25 351 143 255 8.0:1 3.00:1 23 2.76:1 1 3 2.88:14 3 200.3 199.6 196.7 199.9 74.0 3890 A 194.1 71.8 3365 M 184.5 69 4215 A Monarch Duster 20.07 225 11.2 440 95 170 8.4:1 215 330 8.2:1 Jenson Conv. 179.3 65.4 Skyhawk Monza 2.56:1 23 2.56:1 2 3 3020 A 3180 A 22.12 231 110 175 8.0:1 21.47 262 110 200 8.5:1 34.70 89.7 70 81 8.2:1 30.40 96.9 75 83 9.0:1 179.3 65.4 155.7 64 Scirocco 1905 M 3.90:1 24 4.30:1 25 165.2 65 2320 M Corolla SR-5

4.4 Consider the multiple regression model fit to the gasoline mileage data. TABLE B.3 Gasoline Mileage Performance for 32 Antomobiles Automobile y X₁ X₂ X₁ X₁ Xs Xq Xy X₂ X10 X11 Apollo 69.9 3910 A Omega 72.9 2860 A Nova 72.2 3510 A 18.90 350 165 260 8.0:1 2.56:14 3 17.00 350 170 275 8.5:1 2.56:1 4 3 20.00 250 105 185 8.25:1 2.73:1 1 3 18.25 351 143 255 8.0:1 3.00:1 23 2.76:1 1 3 2.88:14 3 200.3 199.6 196.7 199.9 74.0 3890 A 194.1 71.8 3365 M 184.5 69 4215 A Monarch Duster 20.07 225 11.2 440 95 170 8.4:1 215 330 8.2:1 Jenson Conv. 179.3 65.4 Skyhawk Monza 2.56:1 23 2.56:1 2 3 3020 A 3180 A 22.12 231 110 175 8.0:1 21.47 262 110 200 8.5:1 34.70 89.7 70 81 8.2:1 30.40 96.9 75 83 9.0:1 179.3 65.4 155.7 64 Scirocco 1905 M 3.90:1 24 4.30:1 25 165.2 65 2320 M Corolla SR-5

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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4.4 Consider the multiple regression model fit to the gasoline mileage data. TABLE B.3 Gasoline Mileage Performance for 32 Antomobiles Automobile y X₁ X₂ X3 X4 X₁ X X10 X11 Apollo 18.90 350 17.00 350 165 260 8.0:1 170 275 8.5:1 Omega Nova 20.00 250 105 185 8.25:1 2.73:1 2.56:1 4 3 200.3 69.9 3910 A 2.56:1 43 199.6 72.9 2860 A 13 196.7 72.2 3510 A 199.9 74.0 3890 A 194.1 71.8 3365 M 184.5 69 Monarch 18.25 351 143 255 8.0:1 3.00:1 23 Duster 20.07 225 95 170 8.4:1 2.76:1 13 2.88:1 Jenson 11.2 440 215 330 8.2:1 4215 A Conv. Skyhawk 22.12 231 110 175 8.0:1 2.56:1 3020 A 179.3 65.4 179.3 65.4 21.47 262 110 200 8.5:1 2.56:1 3180 A Monza Scirocco 1905 M 34.70 89.7 70 81 8.2:1 3.90:1 2 30.40 96.9 75 83 9.0:1 155.7 64 165.2 65 Corolla 4.30:1 2320 M SR-5 Camaro 3.08:1 3 195.4 74.4 3885 A 16.50 350 155 250 8.5:1 36.50 85.3 80 83 8.5:1 Datsun 3.89:1 2 160.6 62.2 2009 M B210 Capri II Pacer 21.50 171 109 146 8.2:1 19.70 258 110 195 8.0:1 Babcat 20.30 140 83 109 8.4:1 Granada 17.80 302 129 220 8.0:1 Eldorado 14.39 500 Imperial 14.89 440 Nova LN 17.80 350 Valiant 16.41 318 23.54 231 3 3 3 2 3 23 Starfire Cordoba Trans AM Corolla E-5 Astre Mark IV Celica GT 3.22:1 2 4 170.4 66.9 2655 M 3.08:1 13 171.5 77 3375 A 3.40:1 24 168.8 69.4 2700 M 3.0:1 2 3 199.9 74 3890 A 190 360 8.5:1 2.73:1 4 3 224.1 79.8 5290 A 215 330 8.2:1 2.71:1 4 231.0 79.7 5185 A 155 250 8.5:1 3.08:1 196.7 72.2 3910 A 145 255 8.5:1 2.45:1 197.6 71 3660 A 110 175 8.0:1 2.56:1 179.3 65.4 3050 A 21.47 360 180 290 8.4:1 2.45:1 214.2 76.3 4250 A 16.59 400 185 NA 7.6:1 3.08:1 43 196 73 3850 A 31.90 96.9 75 83 9.0:1 4.30:1 2 5 165.2 61.8 2275 M 29.40 140 86 NA 8.0:1 2.92:1 24 176.4 65.4 2150 M 13.27 460 223 366 8.0:1 3.00:1 43 228 79.8 5430 A 23.90 133.6 96 120 8.4:1 3.91:1 2 5 171.5 63.4 2535 M 19.73 318 140 255 8.5:1 2.71:1 2 3 215.3 76.3 4370 A 13.90 351 148 243 8.0:1 3.25:1 2 3 215.5 78.5 4540 A 13.27 351 148 243 8.0:1 3.26:1 2 3 216.1 78.5 4715 A 13.77 360 195 295 8.25:1 3.15:1 43 209.3 77.4 4215 A 16.50 350 165 255 8.5:1 2.73:1 4 3 185.2 69 3660 A Charger SE Cougar Elite Matador Corvette a. Construct a normal probability plot of the residuals. Does there seem to be any problem with the normality assumption? 2222 23 442221 4 3346 2 5 पं
Transcribed Image Text:4.4 Consider the multiple regression model fit to the gasoline mileage data. TABLE B.3 Gasoline Mileage Performance for 32 Antomobiles Automobile y X₁ X₂ X3 X4 X₁ X X10 X11 Apollo 18.90 350 17.00 350 165 260 8.0:1 170 275 8.5:1 Omega Nova 20.00 250 105 185 8.25:1 2.73:1 2.56:1 4 3 200.3 69.9 3910 A 2.56:1 43 199.6 72.9 2860 A 13 196.7 72.2 3510 A 199.9 74.0 3890 A 194.1 71.8 3365 M 184.5 69 Monarch 18.25 351 143 255 8.0:1 3.00:1 23 Duster 20.07 225 95 170 8.4:1 2.76:1 13 2.88:1 Jenson 11.2 440 215 330 8.2:1 4215 A Conv. Skyhawk 22.12 231 110 175 8.0:1 2.56:1 3020 A 179.3 65.4 179.3 65.4 21.47 262 110 200 8.5:1 2.56:1 3180 A Monza Scirocco 1905 M 34.70 89.7 70 81 8.2:1 3.90:1 2 30.40 96.9 75 83 9.0:1 155.7 64 165.2 65 Corolla 4.30:1 2320 M SR-5 Camaro 3.08:1 3 195.4 74.4 3885 A 16.50 350 155 250 8.5:1 36.50 85.3 80 83 8.5:1 Datsun 3.89:1 2 160.6 62.2 2009 M B210 Capri II Pacer 21.50 171 109 146 8.2:1 19.70 258 110 195 8.0:1 Babcat 20.30 140 83 109 8.4:1 Granada 17.80 302 129 220 8.0:1 Eldorado 14.39 500 Imperial 14.89 440 Nova LN 17.80 350 Valiant 16.41 318 23.54 231 3 3 3 2 3 23 Starfire Cordoba Trans AM Corolla E-5 Astre Mark IV Celica GT 3.22:1 2 4 170.4 66.9 2655 M 3.08:1 13 171.5 77 3375 A 3.40:1 24 168.8 69.4 2700 M 3.0:1 2 3 199.9 74 3890 A 190 360 8.5:1 2.73:1 4 3 224.1 79.8 5290 A 215 330 8.2:1 2.71:1 4 231.0 79.7 5185 A 155 250 8.5:1 3.08:1 196.7 72.2 3910 A 145 255 8.5:1 2.45:1 197.6 71 3660 A 110 175 8.0:1 2.56:1 179.3 65.4 3050 A 21.47 360 180 290 8.4:1 2.45:1 214.2 76.3 4250 A 16.59 400 185 NA 7.6:1 3.08:1 43 196 73 3850 A 31.90 96.9 75 83 9.0:1 4.30:1 2 5 165.2 61.8 2275 M 29.40 140 86 NA 8.0:1 2.92:1 24 176.4 65.4 2150 M 13.27 460 223 366 8.0:1 3.00:1 43 228 79.8 5430 A 23.90 133.6 96 120 8.4:1 3.91:1 2 5 171.5 63.4 2535 M 19.73 318 140 255 8.5:1 2.71:1 2 3 215.3 76.3 4370 A 13.90 351 148 243 8.0:1 3.25:1 2 3 215.5 78.5 4540 A 13.27 351 148 243 8.0:1 3.26:1 2 3 216.1 78.5 4715 A 13.77 360 195 295 8.25:1 3.15:1 43 209.3 77.4 4215 A 16.50 350 165 255 8.5:1 2.73:1 4 3 185.2 69 3660 A Charger SE Cougar Elite Matador Corvette a. Construct a normal probability plot of the residuals. Does there seem to be any problem with the normality assumption? 2222 23 442221 4 3346 2 5 पं
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