Multivariate Process Capability Index Based on the Additivity of Normal Distribution

Abstract

This paper proposes a new multivariate process capability index (MPCI) based on the additivity of normal distribution. At the beginning, it carries out a series of hypotheses: (i) The quality characteristics are reciprocal independence; (ii) The quality characteristics obey normal distribution; (iii) The quality characteristics have the same sample size… (More)

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