Table 3.

Preiod frequency distribution.

n	L	Frequency	Percent (%)
1	0.187–0.238	28	1.6
2	0.238–0.289	327	18.4
3	0.289–0.34	438	24.6
4	0.34–0.391	412	23.1
5	0.391–0.442	245	13.8
6	0.442–0.493	116	6.5
7	0.493–0.544	54	3.0
8	0.544–0.595	47	2.6
9	0.595–0.646	36	2.0
10	0.646–0.697	29	1.6
11	0.697–0.748	27	1.5
12	0.748–0.799	22	1.2
Total		1781	100.0