Let x1, X2. ... , Xn d N(4, 62), where HE R and o> 0 are unknown parameters. Consider the sample variance 1 s2. E(x; – Xn² n- 1 i=1 Find var(s2). The following "answers" have been proposed. (a) a2/n. (b) 204/(n – 1). (c) o2(n – 1). (d) 204n. (e) None of the above. The correct answer is (a) (b) (c) (d) (e) N/A (Select One)

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