Percentages of people in the UK in the 8 main ABO-Rhesus blood groups.
blood_types
A data frame with 8 observations on the following 3 variables.
ABO:
Blood type in the ABO system (A, B or O).
rhesus:
Blood type in the Rhesus system (Rh+ or Rh-).
percentage:
Percentage of people in the ABO-Rhesus blood type.