Colleen, Terresa, and Mary are vying for a position as editor. Colleen, who is tested with group I, gets a score of 62 on her test; Terresa, who is tested with group II, gets a score of 50; and Mary, who is tested with group III, gets a score of 92. If the average score for group I is 72, for group II is 78, and for group III is 69, and if the standard deviation for each group is 18, 17, and 20, respectively, which person has the highest relative standing (in other words, who has the largest z-score)? answer: