Stat Tools

Paired t-Test

Analyze Phase

Compare two related measurements from the same subjects — before/after, two methods on the same unit. Tests whether the mean difference is significantly different from zero (H₀: μdiff = 0).

Data Table
Paste data directly from Excel or Google Sheets — columns and rows will be imported automatically.
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Hypotheses

H₀: μdiff = 0 (no difference between paired measurements)

H₁: μdiff ≠ 0 (two-tailed)

Select two metric columns of equal length to run the test

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