test type
Z-Test P-Value Calculator
Calculate the p-value for one-tailed or two-tailed z-tests based on the z-score.
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Clinical Trial
One-sample t-test for a drug trial measuring blood pressure reduction.
Key values: Sample mean: 105 · Pop. mean: 100 · n = 30, SD = 15
A/B Test
Two-sample t-test comparing conversion rates between control and variant.
Key values: Group 1: 52, n=200 · Group 2: 48, n=200 · Two-tailed
Before-After Study
Paired t-test measuring weight loss in a fitness program.
Key values: Mean diff: 3.5 kg · SD diff: 2.1 · 25 pairs
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T-Test
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