Imagine you are in charge of a program in which members are evaluated on five different...

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Imagine you are in charge of a program in which members areevaluated on five different tests at the end of the program. Whydoesn't it make sense to simply compute the average of the fivescores as a measure of performance rather than compute a z scorefor each test for each individual and average those?

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Here it is given that the members are evaluated on five different tests When tests are different we cannot say for certain that the difficulty level of all tests are the same All tests    See Answer
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