X of C% 90-99 20 100 80-89 16 80 70-79 9 45 W A 60-69 5 25 50-59 N 2 10 The following frequency distribution presents a set of exam scores for a class of N= 20 students. a) The 45th percentile is Blank 1 b) The percentile rank of X = 59.5 is Blank 2 Blank 1 Add your answer Blank 2 Add your