Table 1.

According to the Statistical Formula for Calculating Sample Size of Two Group, the Minimum Sample Size of 39 People in Each Group, Considering the 10% Chance of Failing Increased to 43 People in Each Sample Group.

N
((Z2)*(s2)/d2)*DE	Z	Z2	s	s2	d	d2	DE
39	1.96	3.8416	23	529	12.5	156.25	3
	α=0.05