Margin Of Error Calculator
Margin Of Error: a planned Super Calculator tool. Covers sample size n. Stub page: the tool, its formula and a worked example are not published yet. Scope is.
Margin Of Error Calculator is a planned calculator in the mathematics section of Super Calculator, covering statistics and probability.
What this calculator will compute
Inputs: sample size n, proportion p or standard deviation, confidence level (%) and population size (optional).
Outputs: margin of error (%), confidence interval and required sample size for a target margin.
Formula, recorded as scope and not yet verified against a primary source: MOE = z_(alpha/2) * sqrt(p(1-p)/n) for a proportion, or z * sigma / sqrt(n) for a mean. Worst-case planning uses p = 0.5, which maximizes the variance term. Finite population correction applies for large sampling fractions.
Status
This page is a stub. The calculator is not built, no figure on this page has been verified against the authority that sets it, and nothing here should be used to make a decision. The page exists so that the site structure is complete and so that articles can link this concept on first mention.
The stub carries noindex, nofollow and is excluded from the sitemap.