Q:Breast cancer is rare in teens. It becomes more common as women get older. Having read the above passage, choose the right answer to the following question (choices are Springfield group or Mayfield group. ): Eileen studied two identically sized populations of women, one in Springfield where the women were in their 50s and one in Mayfield where the women were in their 30s. The population with a higher incidence of breast cancer was Springfield group or Mayfield group.?
A:
Springfield group