求样本方差，标准差，matlab

clear all
clc
X=[15.60 13.41 17.20 14.42 16.61];
DX=var(X,1)
sigma=std(X,1)
DX1=var(X)
sigma1=std(X)

DX =

    1.9306


sigma =

    1.3895


DX1 =

    2.4133


sigma1 =

    1.5535

标签：std,方差,sigma,DX1,标准差,matlab,DX,var,sigma1
来源： https://blog.csdn.net/qq_51082388/article/details/121716448