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which one of the following numbers can be removed from the set S ={ 0, 2, 4,5.9) without changing the average of set S ?

which one of the following numbers can be removed from the set S ={ 0, 2, 4,5.9) without changing the average of set S ? Correct Answer 4

The average of the elements in the original set S is: 0+2+4+5+95=205=4 

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