Question: Quality engineers must distinguish between a process that is stable and one that is capable. Understanding the relationship between the two is essential for making
Quality engineers must distinguish between a process that is stable and one that is capable. Understanding the relationship between the two is essential for making sound quality decisions. Which one of the following statements is true?
A process in statistical control necessarily exhibits process capability.
Process capability can be determined for manufactured products only, not for services.
Process capability can be addressed only when a process is in statistical control.
Process capability can be addressed when a process is in statistical control but assignable causes of variation are present.
Process stability indicates whether a process is capable of producing products that conform to their design specifications.
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