Please answer the following question.

QUESTION 2 I! Let X], ____, X\" be a random sample from a HUI; :12} distribution. Suppose that T = l 21111702. " i=1 {a} Show that i" is a biased estimator of 02. {3} {in} Find the amount of bias in the estimator. {2} {o} What happens to the bias as the sample size :1 increases? {1} {d} Find the uarianoe of T. {d} [Hlnt: Use the properties of the Avg-distribution]