For a set \(X\) containing \(n\) integers, is the mean even?

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by Ian Stewart » Tue Jul 09, 2019 6:56 am

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If the set is {2, 4}, the mean is 3, so is odd, and if the set is {2, 6}, the mean is 4, so is even. So using both Statements we cannot answer the question and the answer is E.
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