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formula for determining sample size from a given population pdf. Failed in 1936 The Literary Digest poll in 1936 used a sample of 10 million drawn from government lists of automobile and telephone. A 95 confidence level andP5are assumed for Equation 5.
Online Sample Size Calculator Slovin S Formula Calculator from www.hotjar.com
When you want to identify the sample size for a larger population one can use the following formula. Frac 316 1frac 316-1 4300294. Slovins formula - is used to calculate the sample size n given the population size N and a margin of error e.
Sample Size z2 p 1-p e2 1 z2 p 1-p e2 N N population size.
When you want to identify the sample size for a larger population one can use the following formula. Slovins formula works for simple random sampling. To calculate the sample size based on the sample required to estimate a proportion with an approximate 95 confidence level you can use the following formula. In other words if an investigation is too small then it will not detect results that are in fact important.
