Sample Size Calculator With Proportions

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Sample Size Calculator With Proportions. If you'd like to see how we perform the calculation, view the page source. If you ask a …

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See for example hypothesis testing: Where n is the population size, r is the fraction of responses that you are interested in, and z(c/100) is the critical value for the confidence level c. If you are dealing with a population proportion instead of a population mean, you should use instead our minimum required sample size calculator for proportions.

$$ n_a=\kappa n_b \;\text{ and }\;

Statistical calculators, sample size, free, confidence interval, proportion, mean. The sample size (for each sample separately) is: Two study groups will each receive different treatments. If you are dealing with a population proportion instead of a population mean, you should use instead our minimum required sample size calculator for proportions.