A Hotel Tracks the Number of Complaints Per Month

question 180

Multiple Choice

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 2-sigma control limit is used. The next four months have 33, 27, 29, and 43 complaints. What should management do?

• A) Look for assignable causes because the process is in control.
• B) Look for assignable causes because the process is out of control.
• C) Look for common causes because the process is out of control.
• D) Do nothing; the process is in control.

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