STATSPREADS

f = STATSPREADS (var1 [, var2, …, varN])

Unbiased sample variance. var1 to varN can be single numbers or arrays.

See: https://en.wikipedia.org/wiki/Variance#Sample_variance

Example

A = [1,2,3,4,6]
print "Biased sample variance:   "; statspreadp(A)
print "Unbiased sample variance: "; statspreads(A)

' Output:
' Biased sample variance:   2.96
' Unbiased sample variance: 3.7
Math
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