Historically,the Average Time to Service a Customer Complaint Has Been

question 156

Multiple Choice

Historically,the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day.Management would like to specify the control limits for an -chart with a sample size of 10 and 3 sigma limits.Suppose the next sample of 10 yielded the following result: 3.2,2.1,3.6,2.8,3.9,3.5,2.7,4.1,2.6,and 3.3.What conclusion can be drawn?

• A)Assuming the process variability is in control,the process average is also in statistical control.
• B)Assuming the process average is in control,the process average is out of statistical control.
• C)The sample size should be increased.
• D)No conclusion can be drawn because there is insufficient data.

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Definitions:

Classical Conditioning

A method of learning whereby a response originally produced by the second of two repeatedly associated stimuli is ultimately provoked by the first stimulus on its own.

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A thin, hollow needle used for injecting substances into the body or extracting fluids from it.

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Relating to a person who relies on another for support, particularly in the context of mental or physical health.

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A term historically used to describe morphine addiction, especially among soldiers during and after the American Civil War.