Paired t-Test
Analyze PhaseCompare 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
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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