# Question

Let, Xk , k = 1,2,3,…., be a sequence of IID random variables with mean and variance . Form the sample mean process σ2x.From the sample mean process

(a) Find the mean function, µS [n] = E [S [n]].

(b) Find the autocorrelation function, RS, S [k, n] = E[S [k] S [n]].

(a) Find the mean function, µS [n] = E [S [n]].

(b) Find the autocorrelation function, RS, S [k, n] = E[S [k] S [n]].

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