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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\begin{aligned}C_p &=\frac{USL – LSL}{6 \hat{\sigma}}=\frac{52-48}{(6)(0.482)}\\&=1.38\end{aligned}

The process capability is potentially good.

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