Inference · Hypothesis Testing
Hypothesis Testing
Run one-sample t-test, two-sample t-test, paired t-test, or chi-square test with full results.
Step 1 — Select test
Test whether a sample mean equals a hypothesised population mean (μ₀).
Test whether two independent group means are equal.
Test whether the mean difference between paired observations is zero.
Test of independence between two categorical variables. Enter observed counts as a table.
Test results
Plain English interpretation
Learn more — related lessons on rubiX
Hypothesis testing fundamentals
p-values, Type I & II errors
One & two-sample t-tests
Chi-square test