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Question 10.13: Specifications for the output voltage of a certain electric ......

Specifications for the output voltage of a certain electric circuit are 48 to 52 V. The process is in control with \hat{\sigma} = 0.482\ V. Compute the process capability index C_{p}.

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C_{p} = \frac{USL\ −\ LSL}{6\hat{\sigma}} = \frac{52\ −\ 48}{(6)(0.482)}

                                    = 1.38

The process capability is potentially good.

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