This page, created by James Filliben and Alan Heckert, part of the NIST Engineering Statistics handbook, describes the Kolmogorov-Smirnov goodness of fit test. It contains a graph of the empirical distribution function...

This tutorial, created by Thomas W. MacFarland of Nova Southeastern University, explains the theory and use of the Mann-Whitney test and demonstrates it with an example on traditional lecture versus computer-based...

This tutorial, created by Thomas W. MacFarland of Nova Southeastern University, explains the theory and use of the Spearman's Rank-Difference Correlation Coefficient and demonstrates it with an example on exam scores,...