| Children | Female | male |
|
| 14 | 11 | 13 |
|
16 | 10 | 12 | ||
17 | 11 | 13 | ||
18 | 9 |
| ||
16 | 9.9 |
| ||
16 |
|
| ||
17 |
|
| ||
18 |
|
| ||
n | 8 | 5 | 3 | N = 16 |
| 16.5 | 10.18 | 12.333 | Y = 13.004 |