MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Please help me with the question in the image, if possible, can you explain your answer in detail so that i can understand. Thank you so much in advanced!!!

The defect test results of the regression model are reported as follows:
Modified Wald test for groupwise heteroskedasticity
in fixed effect regression model
HO: sigma (i)^2 = sigma^2 for all i
chi2 (2094)
= 2.1e+05
0.0000
Prob>chi2 =
What defects does the model have? How to fix it?
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Transcribed Image Text:The defect test results of the regression model are reported as follows: Modified Wald test for groupwise heteroskedasticity in fixed effect regression model HO: sigma (i)^2 = sigma^2 for all i chi2 (2094) = 2.1e+05 0.0000 Prob>chi2 = What defects does the model have? How to fix it?
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