Module 20 Chi-Square Test
Chi square distribution - demystified - GaussianWaves
Chi-Squared confidence intervals
Pearson's Chi-Square and Other Useful Non-Parametrics
Chi-Square Test of Independence
Chi Square
Chi Square for Trend, StatCalc, User Guide, Support, Epi Info™
1.3.6.7.4. Critical Values of the Chi-Square Distribution
Chi-Square (Χ²) Distributions