The owner of an automobile repair shop studied the waiting times for customers who arrive at the shop for an oil change. The following data with waiting times in minutes were collected over a one-month period. 5 10 4 17 21 12 18 3 Using classes of 0-4, 5-9, and so on, show the following. (a) The frequency distribution Class Frequency 0-4 4 5-9 8 10-14 5 15-19 2 20-24 1 (b) The relative frequency distribution Class Relative Frequency 0-4 5-9 10-14 00000 15-19 20-24 (c) The cumulative frequency distribution Class Cumulative Frequency