Answer: 6
Step-by-step explanation: First you set all the numbers in order from least to greatest 2, 2, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 7, 8, 8, 8, 9 then you get rid of the two end numbers until you only have one number left this number should be the middle number or the median in this case the median is 6