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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
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
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman