Non-Parametrics: The Mann-Whitney U Test and the
FOCAL8-160
Wilcoxon Matched-Pairs Sign-Ranks Test

Elliott Gale and Gene Sylwesuik, SUNYAB Department of
Behavioral Science, Buffalo, New York

These are statistical programs which allow the user to test the
difference between two independent groups (Mann-Whitney)
or between two related groups (Wilcoxon) when the data do
not meet the criteria for parametric t tests.

Minimum Hardware:
PDP-8/S
Source Language:
FOCAL 8/68

Catalog: July 1973