Transcription of THE SHAPIRO-WILK AND RELATED TESTS FOR NORMALITY
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THE SHAPIRO-WILK AND RELATED TESTS FORNORMALITYG iven a sampleX1, .. , Xnofnreal-valued observations, the shapiro wilk test (Shapiro and Wilk, 1965) is a test of the composite hypothesisthat the data are (independent and identically distributed) andnormal, ( , 2) for some unknown real and some > test of a parametric hypothesis relates to nonparametrics in thata lot of statistical methods (such ast- TESTS and analysis of variance)assume that variables are normally distributed. If they arenot, thensome nonparametric methods may be 2-parameter NORMALITY hypothesis cannot just be reduced to asimple hypothesis.
This test of a parametric hypothesis relates to nonparametrics in that a lot of statistical methods (such as t-tests and analysis of variance) assume that variables are normally distributed. If they are not, then some nonparametric methods may be needed. The 2-parameter normality hypothesis cannot just be reduced to a simple hypothesis.
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