This data set comes from Section 52.4.
Blood types of 50 males and 50 females
Sex,Blood Type,Rhesus,Count Male,Unknown,Unknown,27 Male,A,Positive,6 Male,A,Negative,0 Male,B,Positive,2 Male,B,Negative,4 Male,AB,Positive,0 Male,AB,Negative,2 Male,O,Positive,5 Male,O,Negative,4 Female,Unknown,Unknown,24 Female,A,Positive,9 Female,A,Negative,2 Female,B,Positive,2 Female,B,Negative,1 Female,AB,Positive,2 Female,AB,Negative,0 Female,O,Positive,8 Female,O,Negative,2