Robust Rank Procedures for the Behrens-Fisher Problem
- 1 March 1981
- journal article
- research article
- Published by JSTOR in Journal of the American Statistical Association
- Vol. 76 (373) , 162
- https://doi.org/10.2307/2287062
Abstract
The problem of testing for equality of the medians of two populations is considered. The standard distribution-free tests for this problem require that the two populations have the same shape to maintain their nominal significance level under the null hypothesis. A method is given to modify many of these tests so they can be used to test for equality of the medians with fewer assumptions on the shapes of the two populations. The method is demonstrated using the Mann-Whitney-Wilcoxon statistic.Keywords
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