GPower

GPower

Free
It is a tool to compute statistical power analyses for many different t tests
3.7  (10 votes)
2.8
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G*Power is a tool to compute statistical power analyses for many different t tests, F tests, χ2 tests, z tests and some exact tests. G*Power can also be used to compute effect sizes and to display graphically the results of power analyses. The software also allows you to generate graphs based on the data you input.

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su kalyar hlaing

su kalyar hlaing That is very useful for sample size calculation.

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