Sample Proportion Formula Calculator

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Sample Proportion Formula Calculator. This calculator uses the following formula for the sample size n: If you are dealing with a population mean instead of a population proportion, you should use our minimum required sample size calculator for population mean.

Confidence Interval For A Population Proportion from www.thoughtco.com

The count of individuals in the sample with a certain characteristic. P̂ = x / n. The above sample size calculator provides you with the recommended number of samples required to detect a difference between two proportions.

If you wanted to mainly get opinions of college females, you would use this 60 percent in the formula below (for p).

For example, if 47 of the 300 residents in the sample supported the new law, the sample. For a confidence level of 95%, α is 0.05 and the critical value is 1.96), moe is the margin of error, p is the sample proportion, and n is the population size. This sample size calculator is for the population proportion. Sample size n 1 = 50;