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The median of a set of a observations is 20.5. If each of the largest 4 observations of the set is increased by 2, then the
median of the new set is

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remains the same as that of the original set

is two times the original median

is increased by 2

is decreased by 2

answer is A.

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Detailed Solution

The observations still remain in the same order

So, the median remains same.

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