MedCalc

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Sample size for Single mean

Input
Type I error - Alpha:
Type II error - Beta:

Mean:
Standard deviation:
Null hypothesis value:
Result
Minimum required sample size:

For details, see the MedCalc manual: Sample size: Single mean.

MedCalc Software Ltd. Sample size for Single mean. https://www.medcalc.org/calc/sample-size-single-mean.php (Version 23.2.1; accessed March 26, 2025)