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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- Aug 5th 2011, 10:20 PMcangersimple random sampling- E(X)
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? - Aug 5th 2011, 11:11 PMCaptainBlackRe: simple random sampling- E(X)