Let X1,X2,...,Xn be a random sample of size n from a distribution with density function f(x;theta) = c2^[-(x-theta)^2]. if c is known, sample mean is sufficient stat for theta. why?
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Let X1,X2,...,Xn be a random sample of size n from a distribution with density function f(x;theta) = c2^[-(x-theta)^2]. if c is known, sample mean is sufficient stat for theta. why?
what is the support?
is x greater than theta?
If, so the smallest order stat would be the suff estimator