Construct a residual plot. EEBE 167 16 167 167 12 12 12 12 8 4 -4 -4 -4 %3. -4 -8 -8 -8. -8 -12 -12 -12 -12 -16 -16 -16 -16 4 6 8 10 12 14 6 8 10 12 14 6 8 10 12 14 4 6 8 10 12 14 4 Years of Experience Years of Experience Years of Experience Years of Experience O 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 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 do not appear reasonable. O The plot suggests curvature 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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 6PPS
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13
136
Construct a residual plot.
16
16
16
16
12
12
12-
12
8.
8
8-
8
4
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4
-4
-4
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o 2 4 6 8 10
0 2 4 6 8 10
0 2
0 2
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4 6 8 10
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4 6 8
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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 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 do not appear reasonable.
O The plot suggests curvature 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.
Transcribed Image Text:13 136 Construct a residual plot. 16 16 16 16 12 12 12- 12 8. 8 8- 8 4 4 4 4 -4 -4 -4 -4 -8- -8- -12- -8 -8 -12 -12 -12 -16 -16 -16 -16 o 2 4 6 8 10 0 2 4 6 8 10 0 2 0 2 12 14 12 14 4 6 8 10 12 14 4 6 8 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 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 do not appear reasonable. O The plot suggests curvature 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.
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 = 81 + 4x.
Years of
Annual Sales
($1,000s)
Salesperson
Experience
1
80
2
3
97
3
4
97
4
102
6
103
8
111
7
10
119
8
10
128
11
117
10
13
136
(a) Compute the residuals.
Annual Sales
($1,000s)
Years of
Residuals
Experience
80
3
97
4
97
4
102
6
103
8
111
10
119
10
128
11
117
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 = 81 + 4x. Years of Annual Sales ($1,000s) Salesperson Experience 1 80 2 3 97 3 4 97 4 102 6 103 8 111 7 10 119 8 10 128 11 117 10 13 136 (a) Compute the residuals. Annual Sales ($1,000s) Years of Residuals Experience 80 3 97 4 97 4 102 6 103 8 111 10 119 10 128 11 117 13 136 Construct a residual plot.
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