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For matrices, var(X) is a row vector containing the variance of each column of X . var(X) normalizes by N-1 where N is the sequence length. The result V is an 1) The Matlab commands to find the sample mean and the sample variance are the following. >>x = [2.9 3.05 3.1 2.89 3.21 2.99 2.78 2.91 3.03 2.84 2.93 3.12]. The variance of the associated column, row, or complete input is represented by each member in the output array y. The Find the variance value over parameter Let X1,X2,…,Xn be a random sample from Norm(μ,σ). As usual, define S2=∑ni=1(Xi−ˉX)2n−1. Then the sample variance S2 unbiased;I have generated a vector of 10,000 complex samples. I want to calculate the Mean and Variance of the samples. How can I do it without using the built-in Econ770, 2011 Fall, HW#2 Matlab Example % Sample variance simulation of an exponential distribution %% Clears leftovers clear all; clc; %% Define Lambda and