- -Put the numbers out from least to greatest:
2, 2, 3, 4, 4, 5, 7, 7,
Now start crossing off until you get to the middle, so ill mark bold as what i cross of:
2, 2, 3, 4, 4, 5, 7,
7
now
2, 2, 3, 4, 4, 5,
7, 7
now
2, 2, 3, 4, 4,
5, 7, 7
Now you have 2 4's left
So you do:

Therefore your answer is 4.