Question: QUESTION 1 Suppose X, distributed as normal (0. i g2) . i= 1. .... are independent random variables. The maximum likelihood estimator of 2 is

QUESTION 1 Suppose X, distributed as normal (0. i g2) .

QUESTION 1 Suppose X, distributed as normal (0. i g2) . i= 1. .... are independent random variables. The maximum likelihood estimator of 2 is O a. n n 1=1 Ob. n IM : IM: OC. n Od. n 1 - x ; n 1=

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