Hypothesis Testing
One-sample t-test, independent two-sample t-test, and chi-square test.
Parameters
Test Result
Enter data and click Run Test
Usage Instructions
Features
Provides one-sample t-test, independent two-sample t-test, and chi-square test, automatically computing statistics and p-values with significance conclusions.
Steps
Select a test tab → enter sample data or observed frequencies → set significance level α → click "Run Test" to view statistics, p-value, and conclusion.
Notes
All computations run locally in the browser; the t-test uses Welch's degrees of freedom approximation; the chi-square test requires at least 2 observations; results are for reference only and do not replace professional statistical software.