27 
Frequency Distribution of Hand Index 
Beaver 
Index 
Male 
(aged 20 to 59 years) 
Female 
(aged 20 to 59 years) 
43 
5 
3 
45 
11 
6 
47 
9 
2 
49 
3 
51 
1 
Mean 
46-4 
450 
<t 
±2-01 
Em 
±0-25 
V 
4-32 
N 
29 
11 
