Construct a residual plot. EREM 161 16 16 16 12 12 12 12 8 8 8 4 4- 4 of -4 -4 -4 -4 -8 -8 -8 -8 -12 -16 -12 -12- -12 -16 -16 -16 6 8 10 12 14 6 8 10 6 8 14 2 4 10 12 14 10 12 14 Years of Experience Years of Experience Years of Experience Years of Experience (b) Do the assumptions about the error terms seem reasonable in light of the residual plot? O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions do not appear reasonable. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions do not appear reasonable. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions appear reasonable. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions appear reasonable.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Construct a residual plot.
16
16T
16
16
12
12
12-
12
8.
4+
8-
8.
8.
4-
4-
4-
0-
-4
..
-4
-4
-4-
-8
-8
-8
-8-
-12-
-12-
-12-
-12
-16
-16
-16
-16
8 10
6 8 10
6 8 10
2
4 6 8 10
12
14
2
4
6
12
14
2
4
12
14
2
4
12
14
Years of Experience
Years of Experience
Years of Experience
Years of Experience
(b) Do the assumptions about the error terms seem reasonable in light of the residual plot?
O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions do not appear reasonable.
O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions do not appear reasonable.
O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions appear reasonable.
O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions appear reasonable.
O The plot suggests curvature in the residuals indicating that the error term assumptions appear reasonable.
Residuals
Residuals
Residuals
Transcribed Image Text:Construct a residual plot. 16 16T 16 16 12 12 12- 12 8. 4+ 8- 8. 8. 4- 4- 4- 0- -4 .. -4 -4 -4- -8 -8 -8 -8- -12- -12- -12- -12 -16 -16 -16 -16 8 10 6 8 10 6 8 10 2 4 6 8 10 12 14 2 4 6 12 14 2 4 12 14 2 4 12 14 Years of Experience Years of Experience Years of Experience Years of Experience (b) Do the assumptions about the error terms seem reasonable in light of the residual plot? O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions do not appear reasonable. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions do not appear reasonable. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions appear reasonable. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions appear reasonable. O The plot suggests curvature in the residuals indicating that the error term assumptions appear reasonable. Residuals Residuals Residuals
A statistical program is recommended.
A sales manager collected the following data on x = years of experience and y = annual sales ($1,000s). The estimated regression equation for these data is ý = 82 + 4x.
Years of
Annual Sales
Salesperson
Experience
($1,000s)
1
80
2
97
3
4
97
4
4
107
5
6
103
6
8
116
7
10
119
8
10
118
9
11
127
10
13
136
(a) Compute the residuals.
Years of
Experience
Annual Sales
($1,000s)
Residuals
1
80
3
97
4
97
4
107
6
103
8
116
10
119
10
118
11
127
13
136
Construct a residual plot.
Transcribed Image Text:A statistical program is recommended. A sales manager collected the following data on x = years of experience and y = annual sales ($1,000s). The estimated regression equation for these data is ý = 82 + 4x. Years of Annual Sales Salesperson Experience ($1,000s) 1 80 2 97 3 4 97 4 4 107 5 6 103 6 8 116 7 10 119 8 10 118 9 11 127 10 13 136 (a) Compute the residuals. Years of Experience Annual Sales ($1,000s) Residuals 1 80 3 97 4 97 4 107 6 103 8 116 10 119 10 118 11 127 13 136 Construct a residual plot.
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