Table 1 . Age and Gender distribution of the students.

Age range (yrs)	Gender n (%)		Total (%)	Cumulative Percentage (%)
	Male	Female
18-20	50 (26.7)	76 (47.2)	126 (37.2)	36.2
21-23	69 (36.9)	52 (32.3)	121 (34.7)	71.0
24-26	42 (22.5)	25 (15.5)	67 (19.3)	90.2
27-30	26 (13.9)	8 (5.0)	34 (9.8)	100.0
Total	187 (100 )	161 (100)	348(100)
Mean	22.67+3.06	21.16 2.65	21.97 + 2.97
t=4.890, df= 346, p=0.000 (Student's t test)