Hypothesis Test Calculator

Choose a test family, enter your sample information, and review the decision, assumptions, effect size, and step-by-step work in one place.

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Two‑Sample Mean t‑Test (Paired)

compare the means of two related groups by testing whether the average difference is statistically different from zero when σ is unknown (use sample SD of differences).

1. Enter Your Sample Data

2. Set Your Test Parameters

Show Steps