# Best unbiased estimators

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• March 31st 2012, 09:16 AM
problem
Best unbiased estimators
$X_1,X_2,...,X_n$ ia a random sample form the location parameter $f(x|p)=e^{-(x-p)}$, x>0. Find the best unbiased estimator of $p^r, r>0$.

Can anyone please help?
Thanks.