moldo 2. The following data represent grades on a Physics test for a group of 30 students. 42 59 67 69 72 72 74 75 77 77 78 81 82 82 83 84 85 85 85 88 89 89 90 90 91 92 94 95 98 99 Provide a relative frequency distribution (in table form) with classes of width 10. Construct a relative frequency histogram with classes of width 10