Problem:
A pizza company is having trouble with pizza arriving cold because deliveries are taking too long. Mgmt has kept track of when a late delivery was made as well as who the driver was. Data for chart is below and the times are in two-hour shifts. A B or C indicates the driver for the late delivery.
Problem: construct pareto charts for the number of late deliveries for each driver, by day and by shift
Shift MON TUES WED THURS FRI
4-6 AC AAB ABCCC A ABC
6-8 BCC ABCC ABCCC BBCC ABBBCCC
8-10 AC BB BBCC BCC AABBCCC
10-12 AC BBCC ABBCCC BC BBC