Physical Sciences and Mathematics Commons^™

Some Aspects Of Ties In Wilcoxon Signed Ranks, Kathleen M. Keenan

Journal of the Minnesota Academy of Science

Assuming basic principles of statistical inference, the signed rank and rank sum hypothesis testing procedures of Wilcoxon ore reviewed briefly and illustrated. Some recent literature of interest is cited. The problem of ranking tied data is considered, and the effect of ties on the distribution of the signed rank statistic is examined.