Find the difference between the range and the median if the following set of numbers:3,8,5,7,11,5,12,3,5,5,7,8,11,12

Range = 12 - 3 = 9

Median = (5 + 7) / 2 = 6

Difference = Range - Median
Difference = 9 - 6
Difference = 3

Therefore, the difference between the range and the median of the given set of numbers is 3.