Answer:
84 is the median
Step-by-step explanation:
100, 100, 92, 90, 88, 84, 81, 80, 80, 75, 40
\ 100, 92, 90, 88, 84, 81, 80, 80, 75 /
\ 92, 90, 88, 84, 81, 80, 80 /
\ 90, 88, 84, 81, 80 /
\ 88, 84, 81 /
\ __ /
84
