Age | Frequency | Age | Frequency |
5-6 | 40 | 11-12 | 92 |
6-7 | 56 | 12-13 | 80 |
7-8 | 60 | 13-14 | 64 |
8-9 | 66 | 14-15 | 44 |
9-10 | 84 | 15-16 | 20 |
10-11 | 96 | 16-17 | 8 |
Age | Frequency | Age less than | Cumulative frequency |
5-6 | 40 | 6 | 40 |
6-7 | 56 | 7 | 96 |
7-8 | 60 | 8 | 156 |
8-9 | 66 | 9 | 222 |
9-10 | 84 | 10 | 306 |
10-11 | 96 | 11 | 402 |
11-12 | 92 | 12 | 498 |
12-13 | 80 | 13 | 574 |
13-14 | 64 | 14 | 638 |
14-15 | 44 | 15 | 682 |
15-16 | 20 | 16 | 702 |
16-17 | 8 | 17 | 710 |