1923- No. 4- PHYSICAL DE\-ELnpMENT OK CHILDREN ANP VOUNG PFOPLE. 27 



Table 8a. 

 ÎVfight. Boys. Public schools. 



Bovs. Public schools. Continuation. 



As the variability (the coefficient of variability) is computed to be 

 about J times as large in zceight as in height, this must first of all get 

 its expression of the abscissa, where we, however, in contrast to coef- 

 ficients, are operating with absolute numbers, cm. and kg. This is the 

 reason (cf. fig. 9, the large curve for 7 year olds boys) why the standard 



