A Company Believes a Process Monitored by an X-Bar Chart

question 93

Multiple Choice

A company believes a process monitored by an x-bar chart to be in control.When the most recent control point exceeded the UCL value by 20%, the company should

• A)believe that a random bad luck chance occurred and proceed.
• B)suspect that an assignable cause of variation now exists and can be found.
• C)ignore the control point completely, as it is simply an outlier.
• D)wait for the next four samples to be taken to see if a trend develops.

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