Pauli’s Pizza has recently begun collecting data on the quality of its customer order processing and delivery. Pauli’s made 1,800 deliveries during the first quarter of 2013. The following quality data pertains to first- quarter deliveries:

Type of Quality Failure Quality Failure Incidents First Quarter 2013

Late delivery.......................... 50

Damaged or spoiled product delivered................. 5

Incorrect order delivered ......................12

Service complaints by customer of delivery personnel.......... 8

Failure to deliver incidental items with order (drinks, side items, etc.)...... 18

Required

1. Draw a Pareto diagram of the quality failures experienced by Pauli’s Pizza.

2. Give examples of prevention activities that could reduce the failures experienced by Pauli’s.

3. Draw a cause- and- effect diagram of possible causes for late deliveries. How might such a diagram be helpful to the manager of Pauli’s Pizza?