MedCalc

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Power estimator for Paired samples t-test

Input
Required alpha level (P):
Observed Mean difference:
Standard deviation of differences:
Sample size:

MedCalc Software Ltd. Power estimator for Paired samples t-test. https://www.medcalc.org/calc/power-paired-samples-t-test.php (Version 23.2.6; accessed June 15, 2025)