Chi-Square Calculator
StatisticsCalculates the Chi-Square statistic and p-value for goodness-of-fit or test of independence. It requires observed and expected frequencies or values.
How to use this calculator
Start with your values, or try a preset.
Enter Observed Values (comma-separated) and Expected Values (comma-separated) in the units shown.
Read Chi-Square Statistic, Degrees of Freedom, and P-Value (Approximation) in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
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