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Chi-Square Randomization TestStatLens

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Shuffles

Observed Table

χ² = —

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This Shuffle

χ² = —

Select a dataset, then run a simulation to see results.

Chi-Square Randomization Test

Shuffle the group labels many times — breaking any association between the two variables — recording the χ² statistic each time. The histogram is the null distribution of χ²; the p-value is the right-tail area beyond your observed χ². This is a test — there is no confidence interval.

1: +1 shuffle
2: +10 shuffles
3: +100 shuffles
4: +1000 shuffles
0: Reset
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Chi-Square Randomization TestStatLens ? ⚙

Observed Table

This Shuffle

Chi-Square Randomization TestStatLens