A midterm in a statistics course had a mean score of 70 with a standard deviation 5. A quiz in a biology course had an average of 20 with a standard deviation of 5. Aaliyah scored a 75 on the statistics midterm exam. Viannie scored a 25 on the biology quiz. a. They did equally as well, since they had the same z-score. b. Viannie, since her z-score was larger. c. Aaliyah, since her z-score was larger. d. Viannie, since the coefficient of variation is larger for the statistics midterm. e. Aaliyah, since the coefficient of variation is larger for the biology quiz