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. 2 5 10 12 4 4 5 17 11 8 9 8 12 21 6 8 7 13 18 3 Using classes of 0Ă˘â‚¬â€ś4, 5Ă˘â‚¬â€ś9, and so on, show the following: a. The frequency distribution b. The relative frequency distribution c. The cumulative frequency distribution d. The cumulative relative frequency distribution e. The proportion of customers needing an oil change who wait 9 minutes or less
"Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!"
Save your time - order a paper!
Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You wonâ€™t have to worry about the quality and deadlinesOrder Paper Now