Two sisters attended different colleges. One college had a more lenient grading standard. The mean grade point average was 3.20 at the first college and 2.75 at the second college. The GPA of the sister who attends the first college is 3.05; the GPA of the second sister is 2.60. The sisters agreed that they were both performing at the same level, relative to their fellow students. Agree or disagree? Explain.
