Problem # 3 (20 pts). The following frequency distribution table represents the monthly commission earned (in dollars) by 100 salespeople employed at several branches of a large department chain store. Find the class width, class midpoints, class boundaries, the relative frequency and the cumulative frequency. Class Frequency limits 150-158 5 159-167 16 168-176 20 177-185 21 186-194 20 195-203 15 204-212 3