nonparametric test of significance

nonparametric test of significance

[-per′əmet′rik]
Etymology: L, non + Gk, para, beside, metron, measure
(in statistics) one of several tests that uses a qualitative approach to analyze rank order data and incidence data that cannot be assumed to have a normal distribution. Kinds of nonparametric tests of significance include chi-square and Spearman's rho.