Median
The median of a set of numbers arranged in ascending (or descending) order exists as either the middle number or arithmetic mean of the two middle numbers.
Example
#1:
The set of numbers 1, 4, 6,
6, 9, 11, 21, 21, 23 has a median = 9
Example
#2:
The set of numbers 2, 6, 6,
6, 7, 9, 9, 15, 18, 19 has a
median = ½ (7 + 9) = 8
median = ½ (7 + 9) = 8
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