VI.—THE FREQUENCY-DISTRIBUTION. 
CHT pm 
20 
74 
gf 9 &u “1 on = 
Head breadth in inches 
Fic. 1.—Frequency-Polygon for Head-breadths of 1000 Cambridge 
Students. (Table V.) 
250 — _ 
200 
iJ 
3 
a] ob 
- i ‘8 BO sT ~ ‘vo # ‘5 6 
Head breadth in inches. 
Fig. 2. —Histogram for the same data as Fig. 1. 
85