Chi-Square Calculator

Our application is a chi-square test calculator, build your experimental model, import data, you can export the calculation intermediate table and the final conclusion.

Chi-Squared Test, also written as x² test, is any statistical hypothesis test where the sampling distribution of the test statistic is a chi-squared distribution when the null hypothesis is true. Without other qualification, 'chi-squared test' often is used as short for Pearson's chi-squared test.

The chi-squared test is used to determine whether there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.