"Simple Sample Size" performs power and sample size computations for commonly used one and two sample hypothesis tests. It features a simple, intuitive interface, speedy computation, and the ability to quickly and easily change test characteristics. It is an ideal addition to the portable toolkit of professional and student statisticians and researchers.

The current version supports Student's t-Test, the Test of Proportions, and the Log-Rank test for exponential survival.

This application contains no ads, and collects no user data.