$\displaystyle X_{1},...,X_{n} , $ independent exponential distribution random variables, with parameter $\displaystyle \theta. $
find a reparametrisation of the model in terms of a parameter $\displaystyle \phi $ and show it is unbiased.
$\displaystyle X_{1},...,X_{n} , $ independent exponential distribution random variables, with parameter $\displaystyle \theta. $
find a reparametrisation of the model in terms of a parameter $\displaystyle \phi $ and show it is unbiased.