Question: Let 1,2, ... , denotes a random sample from a normal distribution, ~(, ), with density function: ( ; , ) = { 1 2

Let 1,2, ... , denotes a random sample from a normal distribution, ~(, ), with density function: ( ; , ) = { 1 2 1 2 () 2 , < < 0, Find the maximum likelihood estimator of . (

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