3.5.2.44 StdDevP/StDev.p

Description

Calculate the population standard deviation.

s = \sqrt{\frac{1}{n} \sum_{i=1}^n (x_i - \overline{x})^2}
Notes:

StdDevP() and StDev.p() are functionally identical. Use either of them as you like.

Syntax

double StdDevP(dataset vd)
double StDev.p(dataset vd)

Parameters

vd

Input dataset.

Return

Return the Population Standard Deviation.

Example

EX1

double ee=StdDevP(col(A));
ee=;

EX2

range rr=1!1[1]:2[10];
StDev.p(rr)=;

See Also

StdDev/StDev.s