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Direct linkBellera, Carine A.; Julien, Marilyse; Hanley, James A. – Journal of Statistics Education, 2010
The Wilcoxon statistics are usually taught as nonparametric alternatives for the 1- and 2-sample Student-"t" statistics in situations where the data appear to arise from non-normal distributions, or where sample sizes are so small that we cannot check whether they do. In the past, critical values, based on exact tail areas, were…
Descriptors: Nonparametric Statistics, Sample Size, Statistical Distributions, Visual Aids
