A pull-up test was administered to a 10th grade PE class. The mean for the class was 11 pull-ups and the standard deviation was 1.8. Based on the information provided, which of the students below...

A pull-up test was administered to a 10th grade PE class. The mean for the class was 11 pull-ups and the standard deviation was 1.8. Based on the information provided, which of the students below score
beston the test? (Clue: When in doubt, find the z-score)

Bobby: X=13

Steve: z = 1.67