This resource, created by author David M. Lane, defines and explains Chi square. It takes the user through 5 different categories: testing differences between p and pi, more than two categories, chi-square test of...

This site, created by the Department of Statistics at Yale University, gives an explanation, a definition and an example of chi-square goodness of fit test. Topics include chi-square test statistics, tests for discrete...

This tutorial, created by Thomas W. MacFarland of Nova Southeastern University, explains the theory and use of the Chi-square tests for "Goodness of Fit" and demonstrates it with an example on mastery test scores. Data...

Created by Kyle Siegrist of the University of Alabama-Huntsville, this is an online, interactive lesson on hypothesis testing. The author provides examples, exercises, and applets about the concept. These include tests...

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...