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⚖️ Proportion Test
One-sample proportion · two-sample proportion · chi-square goodness-of-fit
Proportion tests are for count data such as defect rate, yield rate, satisfaction rate. It supports a one-sample proportion test, a two-sample proportion difference test, and a chi-square goodness-of-fit test.
Test Type
Input Parameters
📊 Test Results
📋 Detailed Statistics
📈 Visualization
About Proportion Test
Proportion test calculator: one-sample and two-sample Z tests with Wilson confidence intervals. Computes Z, p-value and proportion difference CI instantly.
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Hypothesis Testing
Chi-Square Test
Sample Size Calculator
Equivalence Test (TOST)
A/B Test & Equivalence (TOST)
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