Mathematics, 12.04.2021 19:10, aj2869

The Quality Control Manager at a Credit Card Collection Center is concerned about how many complaints the company is getting from customers. The following data were collected for 15 days of operation: Sample Number: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Number of Complaints: 12 3 4 6 4 6 7 5 14 4 12 3 1 9 10 Determine lower and upper control limits for the number of complaints they should expect each day using three-sigma limits.

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