4.15. From Section 4.7.2 (p. 186), if Y is MN{0, (oã + 03)Ib}, show that (b - 290Z/=1Y/? is an unbiased estimator of oz/
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4.15. From Section 4.7.2 (p. 186), if Y is MN{0, (oã + 03)Ib}, show that (b - 290Z/=1Y/? is an unbiased estimator of oz/
4.15. From Section 4.7.2 (p. 186), if Y is MN{0, (oã + 03)Ib}, show that (b - 290Z/=1Y/? is an unbiased estimator of oz/(oź +0).
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