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13. A hotel tracks the number of complaints per month. When the process is in control,...

13. A hotel tracks the number of complaints per month. When the process is in control, there is an average of 35 complaints per month. Assume that a 3-sigma control limit is used. What is the lower control limit?
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Answer #1

The control limits play an important role in determining whether the operation or the activity is out of control. We can find the lower and the upper control limit using the mean and standard deviation. The upper control limit is denoted as UCL and the lower control limit as LCL.

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