4, 3.5, 6, 7.2, 5, 6.1, 3.6, 7.1, 3, 3.2
sort these
3, 3.2, 3.5, 3.6, 4, 5, 6, 6.1, 7.1, 7.2
add them
The sum of these numbers is:
3 + 3.2 + 3.5 + 3.6 + 4 + 5 + 6 + 6.1 + 7.1 + 7.2 = 48.7
divide by ten
48.7 / 10 = 4.87
Therefore, the result is 4.87.