Question: 14. Consider a testing problem which is invariant under a group G of transformations of the sample space, and let 't' be a class of

14. Consider a testing problem which is invariant under a group G of transformations of the sample space, and let 't' be a class of tests which is closed under G, so that E 't' implies g E 't', where g is the test defined by g( x) = ~(gx) If there exists an a.e. unique UMP member ~o of re, then ~o is almost invariant.

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