Answer:
7
Explanation:
This is the answer because:
1) Mean - add all the numbers and divide by with how many numbers you added.
2) The numbers are: 7,9,10,5,8,3,7
3) 7 + 9 + 10 + 5 + 8 + 3 + 7 = 49
4) 49 ÷ 7 = 7
Therefore, the answer is 7.
Hope this helps! :D