TABLE 4 



Number and Average Height of Boys and Girls for Ages 14 to 15 

 and 15 to 16 and for Each Quarter-year. 



The facts of this table are presented in Graph B. 



The solid line represents the boys and the broken line the 

 girls. The heights of the boys increase regularly with age. 

 This is evident from the fact that their line of growth is almost 

 straight. Girls, on the other hand, remain almost constant 

 in height during the first year. Thereafter, their height in- 

 creases irregularly; the greatest height is reached in the seventh- 



GRAPH B 



Average Height of Boys and Girls, Ages 14 to 16, at each 

 Quarter-year Period 



BOYS 

 GIRLS 





< 



l.-14iyrs.l 14i-14iyrs.l 14i-15yrs. I 15-151 yrs. I 15| -15i; 

 (BO,, 12*1 6 786 724 679 698 665* 



(.Girl, 1033 



60 

 Age 14-141 y 



60 



15 T- 16 * rs tta. 

 279 5393 

 273 4650 



591 



724 

 623 



679 

 580 



698 

 616 



565 

 625 



446 



409 



8 



