Production and Operations Management 1 answer below »

The manager of Perrotti's Pizza collects data concerning customer complaints about delivery. Pizza arrives late, or wrong pizza is delivered:

Problem Frequency

Topping stuck to box lid 17

Pizza arrives late 35

Wrong topping or combination 9

Wrong style of crust 6

Wrong size 4

Pizza is partially eaten 3

Pizza never arrives 6

a) Use a Pareto chart to identify the "vital few"? delivery problems.

b) Use a cause-and-effect diagram to identify potential causes of late pizza delivery.

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