Chi-Square Tests and Statistics When you specify the CHISQ option in the TABLES statement, PROC FREQ performs the following chi-square tests for each two-way table: Pearson chi-square, ...

A chi-square (χ2) statistic is a test that is used to measure how expectations compare to actual observed data or model results.

Chi-Square Contingency Analysis This applet allows users to conduct a chi-square test using a dataset displayed in a contingency table. Simulated results show the resulting sampling distribution of ...

Explain the basic idea of a chi-squared test, namely that the test statistic is based on the observed minus expected frequencies in each cell, and that this follows a chi-squared distribution with ...