# Sample Size for Estimate of Mean Calculator

### Sample Size for Estimate of Mean Formula

n =(z

^{2}σ

^{2})/E

^{2}

Where,

z = Confidence level

σ = Standard deviation

E = Margin of error of the confidence interval estimate of μ

(z

Where,

z = Confidence level

σ = Standard deviation

E = Margin of error of the confidence interval estimate of μ

StandardDeviationCalculator.net - We offer an easy to use standard deviation calculator with the standard deviation formula, examples, explanation and other related information. Our site is for students, business professionals, or just for personal use. Input is always welcome (no pun intended!), contact us and we will review your suggestions.

Thank you for visiting our site.