Pearn W. L.; Lin G. H.; Chang C. S. - In: Economic Quality Control 18 (2003) 1, pp. 5-30
Pearn et al. (Kotz and Johnson, Journal of Quality Technology 24: 216–233, 1992) proposed the process capability index Cpmk , and investigated the statistical properties of the natural estimator for stable normal processes with constant mean μ. Chen and Hsu (Communications in Statistics:...