VI.—THE FREQUENCY-DISTRIBUTION. 
Ci 
79 
6 
2 Zo 2D wv oJ 
Height in inches 
F1@. 13. —Frequency-distribution of Barometer Heights at 
Southampton: 4748 observations. (Table XI.) 
3 
3 
eg 
” wr 20 30 0 oJ i 
Years of age 
Fic. 14.—Frequency-distribution of Deaths from Diphtheria at different Ages 
in England and Wales, 1891-1900. (Table XII.) 
97 
El . 5 7 JC