Answer:
7
Explanation:
First, we need to put the numbers in order
2, 3, 6, 6, 7, 8, 8, 8, 15
Now we need to find the middle number from this data
Cancel the 2, and 15
Cancel the 3, and the 8
Cancel the 6, and the 8
Cancel the 6, and the 8
And you get 7 as the only one you can cross out
Hope this helped!
Have a supercalifragilisticexpialidocious day!