Mean, Variance, and Standard Deviation Calculator: Average, Sample or Population Spread from Raw Data
Calculate mean, variance, and standard deviation from raw data online. Enter your values to get the average, sample or population variance, standard deviation, standard error, count, min, max, and range in one workflow.
12 values
Instant Math
Use when your data represents a subset of a larger population. Applies Bessel's correction.
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Input your numbers into the Standard Deviation Calculator panel to see real-time statistics, variance, and normal distribution charts.