Formula For Required Sample Size. Feb 26 2010 The formula does not cover finite population. If the population is N then the corrected sample size should be 186N N185.
Z 1645 p 05 e 004. Plug in your Z-score standard of deviation and confidence interval into the sample size calculator or use this sample size formula to work it out yourself. Feb 26 2010 The formula does not cover finite population.
N 06765 00016 422816.
The sample size n can be calculated using the following formula. The formula for the mean employs σ2 instead of p x q as shown in Equation 7. Nfrac 1000 11000005005 286 n 110000050051000 286 The survey therefore needs to include 286 employees. Feb 26 2010 The formula does not cover finite population.
