What does the terminology E(Xi) = u(i=1,...,n) mean? Where u is mu (the mean of all the values for x.) I haven't seen this terminology before...does it imply u times all the i's?
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Originally Posted by canger What does the terminology E(Xi) = u(i=1,...,n) mean? Where u is mu (the mean of all the values for x.) I haven't seen this terminology before...does it imply u times all the i's? We will need the rest of the context to be sure but assuming that denotes a random sample from the some population with mean then the expectation of each of the 's is . CB
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