**Simple Interactive Statistical Analysis**

Two by two tables provides you with various statistics and measures of association for comparing two dichotomous variables in a two by two table. It might concern for example comparing males and females in the proportion who fall in the groups low or high income and the likelihood of the difference in income being caused by chance. Includes cohen's kappa, odds ratio, risk ratio, yule's q, yule's y agreement tests, yate's chi square, pearson's chi square, pearson's correlation, phi square, log odds, wald's confidence interval, mcnemar's test, likelihood ratio chi square, Mantel Haenszel's chi square

The Two by Two procedure has moved to this location.