February 3 Class
Men in class: 25
Women in class: 3
Instances of male participation: 25
Instances of female participation: 4
Male participation ratio (# of male participations: # of men in class) = 1:1
Female participation ratio = 4:3
February 5 Class
Men in class: 25
Women in class: 1
Instances of male participation: 11
Instances of female participation: 2
Male participation ratio ~ 1:2
Female participation ratio = 2:1