where b Cp:P is defined by Eq. (9). We can observe that the estimator b Cpk:P defined by Eq. (13) assumes that the process mean l is known. If the process mean l is unknown, the estimator
where b Cp:P is defined by Eq. (9). We can observe that theestimator b Cpk:P defined by Eq. (13) assumes that the processmean l is known. If the process mean l is unknown, theestimator