Question: 78. Let X, ,, ,,Xm and Y,... , y be independent samples from I(J.L, 0) and I (' T) respectively. (i) There exist UMP unbiased

78. Let X\, ,, ,,Xm and Y\,... , y" be independent samples from I(J.L, 0) and I ('" T) respectively. (i) There exist UMP unbiased tests of T2/ T\ against one- and two-sided alternatives. (ii) If T= 0, there exist UMP unbiased tests of 11/J.L against one- and two-sided alternatives. [Chhikara (1975).]

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