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Chapter 194 Normality Tests - NCSS

Chapter 194 Normality Tests - NCSS

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D’Agostino KurtosisTest D’Agostino (1990) describes a normality test based on the kurtosis coefficient, b 2. Recall that for the normal distribution, the theoretical value of b 2 is 3. Hence, a test can be developed to determine if the value of b 2 is significantly different from 3. If it is, the data are obviously non -normal. The statistic, z

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