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ZHANG XINYU |
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Test of the Error Variance Homogeneity about Models of Stochastic Effect Variance Analysis ($k=2$)
ZHANG XINYU
Department of Maths of Zhengzhou University, Zhengzhou, 450052
Considering the model of stochastic effect variauce analysis in two times repeated trials,
we present in this paper a method to test the homogeneity of the error variances, i.e.,
to test $H_0:\sigma_1^2=\sigma_2^2$, by use of the piecewise likelihood ratio test, and
then give some concrete conclusions according to three common
models.