Σ
SDCalc

Confidence Interval Standard Deviation Calculator: Mean, Sample SD, and SEM from Raw Data

Calculate mean, sample standard deviation, and standard error from raw data online. Use the results for confidence interval setup, spread checks, and faster statistical interpretation.

12 values
Instant na Math
Sample (n-1) / Population (N)

Gamitin kapag ang iyong data ay kumakatawan sa subset ng mas malaking population. Ginagamit ang Bessel's correction.

Walang Na-detect na Data

Ilagay ang iyong mga numero sa Standard Deviation Calculator panel para makita ang real-time na statistics, variance, at normal distribution charts.