Standard Deviation Calculator

Enter numbers separated by commas or spaces. Computes mean, variance, and standard deviation (sample or population).

Inputs

μ = mean(x)
sample: s = √(Σ(x−μ)² / (n−1))
population: σ = √(Σ(x−μ)² / n)

Sample mode needs at least 2 values; population needs at least 1.

Category: Math

s = 2.