A Manager Wants to Build 3-Sigma X-Bar Control Limits for a Process.The

question 113

Multiple Choice

A manager wants to build 3-sigma x-bar control limits for a process.The target value for the mean of the process is 10 units,and the standard deviation of the process is 6.If samples of size 9 are to be taken,what will be the upper and lower control limits,respectively?

• A)-8 and 28
• B)16 and 4
• C)12 and 8
• D)4 and 16
• E)8 and 12

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