Adverse impact practice

Calculate selection rates and the impact ratio for each case, and say whether the four-fifths rule flags it. Answers are in Appendix F.

• Case 1: Group A, 60 applicants, 27 advanced. Group B, 50 applicants, 15 advanced.
• Case 2: Group A, 200 applicants, 80 advanced. Group B, 150 applicants, 54 advanced.