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Define:   x0  = [  r/ (r+2)]  x+r .  Show that  x0   is biased for   µ  in finite            &

Define:   x0  = [  r/ (r+2)]  x+r .  Show that  x0   is biased for   µ  in finite

                           samples,  but that it is unbiased for  µ  asymptotically ( as  r  tends to  infinity.).

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