Answer:
14
Explanation:
8, 11, 11, 12, 13, 15, 16, 16, 18, 21
The median is the middle number when the numbers are arranged from smallest to largest
There are 10 number
We need 5 below and 5 above
8, 11, 11, 12, 13 , 15, 16, 16, 18, 21
It is between 13 and 15
Add the two numbers and divide by 2
(13+15)/2 = 14