The median is the middle number.
Find the missing number below given the Median=8
3 - 4 - 4 - x - 10 - 10 - 11 - 12
There is an even number of numbers in the set, so the median is the average of the two middle numbers (once the numbers are arranged from least to greatest)..
16 = x + 10
6 = x
The missing value is 6