» Sample Size Calculator

Sample Size Calculator (web)

1 proportion - Estimation

Proportion (p):
Precision (± proportion):
Confidence level 100(1 - α): %
Expected dropout rate: %

Sample size, n =
Sample size (with 10% dropout), n_drop =

Formula reference:

Arifin, W. N. (2013). Introduction to sample size calculation. Education in Medicine Journal, 5(2), e89-e96.

Naing, N. N. (2003). Determination of Sample Size. The Malaysian Journal of Medical Sciences: MJMS, 10(2), 84-86.

Suggested reference:

APA: Arifin, W. N. (). Sample size calculator (web). Retrieved from http://wnarifin.github.io

Vancouver: Arifin WN. Sample size calculator (web) [Internet]. [cited ]. Available from: http://wnarifin.github.io

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