Comparing Mingoti and Glória's and Niverthi and Dey's multivariate capability indexes

Comparando os coeficientes de capacidade multivariados de Mingoti e Glória e Niverthi e Dey

In this paper a comparison between Mingoti and Glória's (2003) and Niverthi and Dey's (2000) multivariate capability indexes is presented. Monte Carlo simulation is used for the comparison and some confidence intervals were generated for the true capability index by using bootstrap methodology.

Quality control; multivariate capability indexes; Monte Carlo; Bootstrap