Answer:
I'm pretty sure the median is 7
Explanation:
Well To find the median, first order your data. Then calculate the middle position based on n, the number of values in your data set.
2 2 4 5 5 9 9 12 16 20. Then add the 2 middle numbers. 5 and 9. It is (5+9) divided by 2 is 7.
Hope this helps!