Which of the following is not a typical question asked in a process capability study?

a. What is the importance of data obtained without using control charts? b. Is the performance relative to specifications? c. Where is the process centered? d. How much variability exists in the process?

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a. What is the importance of data obtained without using control chart.

Capability analysis is a set of calculations used to assess whether a system is statistically able to meet a set of specifications or requirements. To complete the calculations, a set of data is required, usually generated by a control chart; however, data can be collected specifically for this purpose. Therefore, this is not a typical question asked in capability study.

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