e.Determine the regression model for the best subset using Cp, PRESS and R?adj. What conclusion can you make?
e.Determine the regression model for the best subset using Cp, PRESS and R?adj. What conclusion can you make?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
e. Please answer in minitab. Do not return my question, im hoping for an answer. In 4 decimal answers pls.
Transcribed Image Text:e.Determine the regression model for the best subset using Cp, PRESS and R?adj. What conclusion can you
make?
Transcribed Image Text:The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975).
X4
X1
350
Y
X2
X3
X5
X6
X7
X8
X9
X10
X11
260
185
18.9
165
8
2.56
4
3
200.3
69.9
3910
A
20
250
105
8.25
2.73
3
196.7
72.2
3510
A
18.25
351
143
255
8
3
2
3
199.9
74
3890
A
20.07
225
95
170
8.4
2.76
1
3
194.1
71.8
3365
M
11.2
440
215
330
8.2
2.88
3
184.5
69
4215
A
22.12
231
110
175
8
2.56
2
3
179.3
65.4
3020
A
34.7
89.7
70
81
8.2
3.9
2
4
155.7
64
1905
M
30.4
96.9
75
83
9
4.3
2
5
165.2
65
2320
M
16.5
350
155
250
8.5
3.08
4
3
195.4
74.4
3885
A
36.5
85.3
80
83
8.5
3.89
4
160.6
62.2
2009
M
21.5
171
109
146
8.2
3.22
4
170.4
66.9
2655
M
19.7
258
110
195
8
3.08
1
3
171.5
77
3375
A
17.8
302
129
220
8
3
2
3
199.9
74
3890
A
14.39
500
190
360
8.5
2.73
4
3
224.1
79.8
5290
A
14.89
440
350
215
330
8.2
2.71
4
3
231
79.7
5185
A
17.8
155
250
8.5
3.08
3
196.7
72.2
3910
A
23.54
231
110
175
8
2.56
2
3
179.3
65.4
3050
A
21.47
360
180
290
8.4
2.45
2
3
214.2
76.3
4250
A
16.59
400
185
7.6
3.08
4
3
196
73
3850
A
96.9
165.2
228
31.9
75
83
9
4.3
2
5
61.8
2275
M
13.27
460
223
366
8
3
3
79.8
5430
A
23.9
133.6
96
120
8.4
3.91
5
171.5
63.4
2535
M
19.73
318
140
255
8.5
2.71
3
215.3
76.3
4370
A
13.9
351
148
243
8
3.25
3
215.5
78.5
4540
A
16.5
350
165
255
8.5
2.73
3
185.2
69
3660
A
y: Miles/gallon
x1: Displacement (cubic inches)
x2: Horsepower (foot-pounds)
x3: Torque (foot-pounds)
X4: Compression ratio
xs: Rear axle ratio
Xg: Carburetor (barrels)
x7: No. of transmission speeds
Xg: Overall length (inches)
X9: Width (inches)
X10: Weight (pounds)
X1: Type of transmission (A-automatic, M–manual)
22
4222N4
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a. Please answer this also on MINITAB. In 4 decimal places. Do not return my question. Let someone help me.
Transcribed Image Text:a.Fit a multiplelinear regression model for this data.
Transcribed Image Text:The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975).
X4
X1
350
Y
X2
X3
X5
X6
X7
X8
X9
X10
X11
260
185
18.9
165
8
2.56
4
3
200.3
69.9
3910
A
20
250
105
8.25
2.73
3
196.7
72.2
3510
A
18.25
351
143
255
8
3
2
3
199.9
74
3890
A
20.07
225
95
170
8.4
2.76
1
3
194.1
71.8
3365
M
11.2
440
215
330
8.2
2.88
3
184.5
69
4215
A
22.12
231
110
175
8
2.56
2
3
179.3
65.4
3020
A
34.7
89.7
70
81
8.2
3.9
2
4
155.7
64
1905
M
30.4
96.9
75
83
9
4.3
2
5
165.2
65
2320
M
16.5
350
155
250
8.5
3.08
4
3
195.4
74.4
3885
A
36.5
85.3
80
83
8.5
3.89
4
160.6
62.2
2009
M
21.5
171
109
146
8.2
3.22
4
170.4
66.9
2655
M
19.7
258
110
195
8
3.08
1
3
171.5
77
3375
A
17.8
302
129
220
8
3
2
3
199.9
74
3890
A
14.39
500
190
360
8.5
2.73
4
3
224.1
79.8
5290
A
14.89
440
350
215
330
8.2
2.71
4
3
231
79.7
5185
A
17.8
155
250
8.5
3.08
3
196.7
72.2
3910
A
23.54
231
110
175
8
2.56
2
3
179.3
65.4
3050
A
21.47
360
180
290
8.4
2.45
2
3
214.2
76.3
4250
A
16.59
400
185
7.6
3.08
4
3
196
73
3850
A
96.9
165.2
228
31.9
75
83
9
4.3
2
5
61.8
2275
M
13.27
460
223
366
8
3
3
79.8
5430
A
23.9
133.6
96
120
8.4
3.91
5
171.5
63.4
2535
M
19.73
318
140
255
8.5
2.71
3
215.3
76.3
4370
A
13.9
351
148
243
8
3.25
3
215.5
78.5
4540
A
16.5
350
165
255
8.5
2.73
3
185.2
69
3660
A
y: Miles/gallon
x1: Displacement (cubic inches)
x2: Horsepower (foot-pounds)
x3: Torque (foot-pounds)
X4: Compression ratio
xs: Rear axle ratio
Xg: Carburetor (barrels)
x7: No. of transmission speeds
Xg: Overall length (inches)
X9: Width (inches)
X10: Weight (pounds)
X1: Type of transmission (A-automatic, M–manual)
22
4222N4
Solution
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