Show that (i) G1 of Example 6.6.11 is a group; (ii) the test which rejects when X2

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Show that

(i) G1 of Example 6.6.11 is a group;

(ii) the test which rejects when X2 21/X2 11 > C is UMP invariant under G1;

(iii) the smallest group containing G1 and G2 is the group G of Example 6.6.11.

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Testing Statistical Hypotheses

ISBN: 9781441931788

3rd Edition

Authors: Erich L. Lehmann, Joseph P. Romano

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