The following are the Test | scores of my Calculus 3 classes in the last 3 semesters. 2. 74 88 40 89 89 90 90 31 46 83 91 17 32 47 18 34 48 84 91 94 19 35 49 85 36 50 85 95 37 51 87 96 Data are sorted and rounded to the nearest unit for simplicity. From the data, find: a) (1) Median b) (2) Q1 C) (2) Q3 d) (3) Create a Frequency Distribution with 4 classes from the data above, then extend with relative frequency