Comparing Medians

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List A: 4, 7, 9, 14

List B: m, 2, 3, 9, 14

If the median of the numbers in list A above is equal to twice the median of the numbers in list B above, what is the value of m?

Review: Comparing Medians


Explanation

In this question, the median of List A is 8, the average of 7 and 9. The median of List B is therefore 4. The only way for that to be the case is if m = 4.

The correct answer is (A).


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