The model standard error is quite high compared with the mean child height and standard deviation, indicating that predictions from this model are likely to be quite inaccurate. 

The model standard error is quite high compared with the mean child height and standard deviation, indicating that predictions from this model are likely to be quite accurate.

The model standard error is quite low compared with the mean child height and standard deviation, indicating that predictions from this model are likely to be quite inaccurate. 

The model standard error is quite low compared with the mean child height and standard deviation, indicating that predictions from this model are likely to be quite accurate.