Normal % probability 8 88 W. 4.35 Normal plot of residuals Residual 8.75 Residuals 4.76 126 24 Residuals vs. Predicted 141.25 Predicted 145.25

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Based on the following figures, Analyze the residuals and draw conclusions about model adequacy,
Normal plot of residuals
Residuals vs. Predicted
6.75-
Normat% probability
-*N*E*S SE S
.....
Residuals
425-
132
da
1
075
126 25
131.25
141.25
Residual
Predicted
a.
There is unusual trend in the normal probability plot with a possible non-constant variance.
b. There is nothing unusual in the normal probability plot with a possible constant variance.
c. There is nothing unusual in the normal probability plot with a possible non-constant variance,
d. There is unusual trend in the normal probability plot with a constant variance.
Transcribed Image Text:Based on the following figures, Analyze the residuals and draw conclusions about model adequacy, Normal plot of residuals Residuals vs. Predicted 6.75- Normat% probability -*N*E*S SE S ..... Residuals 425- 132 da 1 075 126 25 131.25 141.25 Residual Predicted a. There is unusual trend in the normal probability plot with a possible non-constant variance. b. There is nothing unusual in the normal probability plot with a possible constant variance. c. There is nothing unusual in the normal probability plot with a possible non-constant variance, d. There is unusual trend in the normal probability plot with a constant variance.
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