A sample of 20 automobiles was taken, and the miles per gallon (MPG), horsepower, and total weight were recorded. Develop a linear regression model to predict MPG, using horsepower as the only independent variable. Develop another model with weight as the independent variable. Which of these two models is better? Explain.

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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: 4-20
t
MPG
44
44
40
220
***y HUL:
4-26 A sample of 20 automobiles was taken, and the
miles per gallon (MPG), horsepower, and total
weight were recorded. Develop a linear regression
model to predict MPG, using horsepower as the only
independent variable. Develop another model with
weight as the independent variable. Which of these
two models is better? Explain.
HORSEPOWER
67
50
62
ay
WEIGHT
1,844
1,998
1,752
MPG
37
37
34
35
32
30
28
26
26
25
22
20
21
18
18
16
16
F
HORSEPOWER
69
66
63
90
99
63
91
94
88
124
97
114
102
114
142
153
139
WEIGHT
1,980
1,797
2,199
2,404
2,611
3,236
2,606
2,580
2,507
2,922
2,434
3,248
2,812
3,382
3,197
4,380
4,036
Transcribed Image Text:: 4-20 t MPG 44 44 40 220 ***y HUL: 4-26 A sample of 20 automobiles was taken, and the miles per gallon (MPG), horsepower, and total weight were recorded. Develop a linear regression model to predict MPG, using horsepower as the only independent variable. Develop another model with weight as the independent variable. Which of these two models is better? Explain. HORSEPOWER 67 50 62 ay WEIGHT 1,844 1,998 1,752 MPG 37 37 34 35 32 30 28 26 26 25 22 20 21 18 18 16 16 F HORSEPOWER 69 66 63 90 99 63 91 94 88 124 97 114 102 114 142 153 139 WEIGHT 1,980 1,797 2,199 2,404 2,611 3,236 2,606 2,580 2,507 2,922 2,434 3,248 2,812 3,382 3,197 4,380 4,036
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