Free arithmetic standard deviation calculations online. Find the mean, variance, standard deviation of the given numbers. Can be used for calculating or creating new math problems.
Formula :
Mean: Mean = Sum of X values / N (Number of values)
Standard Deviation: s=sqrt(Σ(XM)^{2}/(n1))
Population Standard Deviation: s=sqrt(Σ(XM)^{2}/n)
Variance: Variance = s^{2}
