True or False: CPL 1 implies that the process mean is more than 3 standard deviations away from the lower specification limit.

Question

True or False: CPL > 1 implies that the process mean is more than 3 standard deviations away from the lower specification limit.

Quizplus · Accepted Answer

CPL is the capability index for the upper specification limit (USL). If CPL is greater than 1, it means the process mean is more than 3 standard deviations away from the USL. However, it does not provide any information about the distance from the lower specification limit (LSL).

True or False: CPL > 1 Implies That the Process