Let x1 x2 denote a sequence of independent samples of a
Let X1, X2,... denote a sequence of independent samples of a random variable X with variance Var[X]. We define a new random sequence Y1, Y2,... as
(a) What is E[Yn]?
(b) What is Var[Yn]?
(c) What are the mean and variance of Mn (Y)?
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