Stats.Blue

# Sample Size Calculator for Desired Margin of Error

 Desired Margin of Error $m$: % Confidence Level: 50% 60% 70% 80% 90% 95% 96% 98% 99% 99.5% 99.8% 99.9% Population Proportion Guess $p^{*}$:

 Desired Margin of Error: $m=$ Population Proportion Guess: $p^{*}=$ Critical $z$ Value: $z^{*}=$