The following data were used in a regression study. Observation 1234 56 2 34577789 354 7469 6 11 (a) Develop an estimated regression equation for these data. (Round your numerical values to two decimal places.) (b) Construct a plot of the residuals. :. -2- -2 -2 -2 -4 4. 10 4 10 4 8 10 4. 10 Do the assumptions about the error term seem to be satisfied? O The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied. O The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are satisfied. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The following data were used in a regression study.
Observation
1
2 3 4 5
6
7
8
9
X;
2
3
4
5
77
78
9
Y;
5 4 7
4
6
9 6
11
(a) Develop an estimated regression equation for these data. (Round your numerical values to two decimal places.)
(b) Construct a plot of the residuals.
2
2
-2
-2
-4
4
6
8
10
4
8.
10
4
6.
8
10
2
4
6
8
10
Do the assumptions about the error term seem to be satisfied?
O The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied.
O The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied.
O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied.
O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are satisfied.
O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied.
Residuals
Residuals
Transcribed Image Text:The following data were used in a regression study. Observation 1 2 3 4 5 6 7 8 9 X; 2 3 4 5 77 78 9 Y; 5 4 7 4 6 9 6 11 (a) Develop an estimated regression equation for these data. (Round your numerical values to two decimal places.) (b) Construct a plot of the residuals. 2 2 -2 -2 -4 4 6 8 10 4 8. 10 4 6. 8 10 2 4 6 8 10 Do the assumptions about the error term seem to be satisfied? O The plot suggests curvature in the residuals indicating that the error term assumptions are not satisfied. O The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied. O The plot suggests a generally horizontal band of residual points indicating that the error term assumptions are not satisfied. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are satisfied. O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied. Residuals Residuals
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