Problem
1) How many students got a score of 3 on the quiz?
2) How many students got a score of 7 or below on the quiz?
3) What percentage of the students got a score of 2 on the quiz?
4) What percentage of the students got a score of 5 or below on the quiz?
5) What is the percentile rank for a student with a score of 7 on the quiz?