Answer:
9.3
Step-by-step explanation:
Put them in order:
4.7
5.6
6.2
7.4
7.9
8.4
10.2
10.6
11.2
13.1
15.4
15.5
Find the middle number:
Since there are 12 numbers, you will have 2 middle numbers which will be the 6th and 7th number: 8.4 and 10.2
Add them together:
8.4 + 10.2 = 18.6
18.6/2 = 9.3
