Let, Xk , k 1,2,3, brvbar , be a sequence of IID random variables with mean and variance Form the sample mean process Iuml 2x From the sample mean process (a) Find the mean function, micro S n E S n (b) Find the autocorrelation function, RS, S k, n E S k S n 71 SInX 1, 2,3,

Question: Let, Xk , k = 1,2,3,¦., be a sequence of IID random variables with mean and variance . Form the sample mean process Ï2x.From the

Let, Xk , k = 1,2,3,€¦., be a sequence of IID random variables with mean and variance . Form the sample mean process Ïƒ2x.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]].

71 SInX " -1, 2,3,

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