Answer :
median is the middle number.
11, 12, 14, x, 22, 27
the median is between 14 and x.
14 15 16 17 18
X X
x is 18
11, 12, 14, x, 22, 27
the median is between 14 and x.
14 15 16 17 18
X X
x is 18