Table 7.
2009 | 2011 | |||||
---|---|---|---|---|---|---|
Boys | Girls | All | Boys | Girls | All | |
Median | 18.0 | 17.3 | 17.8 | 18.5 | 18.5 | 18.7 |
Mean | 18.9 | 17.5 | 18.2 | 19.5 | 18.6 | 19.2 |
SD | 3.1 | 2.6 | 2.9 | 3.6 | 3.2 | 3.5 |
2009 | 2011 | |||||
---|---|---|---|---|---|---|
Boys | Girls | All | Boys | Girls | All | |
Median | 18.0 | 17.3 | 17.8 | 18.5 | 18.5 | 18.7 |
Mean | 18.9 | 17.5 | 18.2 | 19.5 | 18.6 | 19.2 |
SD | 3.1 | 2.6 | 2.9 | 3.6 | 3.2 | 3.5 |