Standard Deviation σ = √Variance Population Standard Deviation = use N in the Variance denominator if you have the full data set. The reason 1 is subtracted from standard variance measures in the earlier formula is to widen

Enter the set of numbers below for which you want to find the standard deviation. The standard deviation calculator finds the standard deviation of given set of numbers. The standard

Standard Deviation Calculator. Standard deviation in statistics, typically denoted by σ, is a measure of variation or dispersion (refers to a distribution's extent of stretching or squeezing)

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