Omnibus test contours for departures from normality based on b1 and b2
- 1 August 1975
- journal article
- research article
- Published by Oxford University Press (OUP) in Biometrika
- Vol. 62 (2) , 243-250
- https://doi.org/10.1093/biomet/62.2.243
Abstract
The test statistic X2(√b1)+X2(b2), where X(√b1) and X(b2) are standardized normal equivalents to the ample skewness, √b1, and kurtosis, b2, statistics, is considered in normal sampling. Using the Johnson system, SU, and SB, as approximate normalizing distributions, contours in the (√b1, b2) plane of the test statistic are set up for sample sizes ranging from 20 to 1000.Keywords
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