The following data set represents the ages of 48 children at a local daycare and tutoring center. What is the 2nd quartile of the data?

1	2	2	2	2
2	3	3	3	3
4	4	4	5	5
6	6	7	7	8
8	8	8	9	9
9	9	10	10	10
10	11	12	12	13
14	14	14	14	14
15	15	15	15	16
16	16	16

___________ years old