How do I find the middle of the median?

The median is the middle value when the items are sorted into ascending order.  If there are an even number of terms the median is the mean of the two middle values.

e.g   1 2 3     the median is 2

 1 2 3 4        the median is (2 + 3)/2 = 2.5

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If there are two medians?

Just do the mean of the medians.

what he said.