What is the median

15, 16, 17, 17, 17, 17, 18, 19

Median is the middle value in a list of numbers from smallest to lowest, so this list is already in order! When you have two numbers both in the middle because there isnt One value in the dead center, you add them and divide by two. In this case you have (17+17)/2 = 17

The answer would be a