Question: Consider the following estimator for e 2 ( 1 n 2 ) n X Is this estimator biased? What is the variance of this estimator?

Consider the following estimator for e2

(1n2)nX

Is this estimator biased?
What is the variance of this estimator?

Example: evaluating estimators 3- Suppose we have a random sample of Poi550n random variable with parameter /\\ > 0, X1, X2, X3, X\" ~ PoissonUi) I'- Find the maximum likelihood estimator for A I Find the CRLB for A I! b- Consider the following estimator for e'\" (12)\" I Is this estimator biased? , What is the variance of this estimator

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