Answer:
The answer would be A. 5
Explanation:
Well so first you would take into account how many there is of each number so that would be 1,2,2,3,3,3,4,5,6,6,7,7,7,8,9.
Then add up all those number giving you 73, divide what you got by 15 which is the total amount of numbers.
That would give you 4.86 repeating so estimate that to 5.