id: 3301,2C
title: Standard deviation.
date: 2022-10-23

Standard deviation.

stddev = sqrt(sum(abs(x - σ)^2) / N) for the population whose mean is σ.

For a sample of the population, Bessel’s Correction reduces bias in the variance: sqrt(sum(abs(x - sample mean)^2) / (N - 1))rW5