Which of the Following Statements Is False Regarding Control Charts

question 12

Multiple Choice

Which of the following statements is false regarding control charts?

• A)If we view using a control chart as a graphical hypothesis test, the null hypothesis is that the process has not changed.
• B)A type I error in control charting results in an unnecessary adjustment to the process.
• C)A type II error in control charting results in an unnecessary adjustment to the process.
• D)A process within which special cause variation is present is said to be out of control.
• E)A process which exhibits only common cause variation is said to be in control.

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