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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; (iv) All the quality characteristics are key...
Based on the research of the supplierpsilas quality supplying competence and multivariate process capability indices, this paper discusses the question of supplierpsilas quality supplying competence index of multivariate quality characteristics in mixed specifications, that is the researching of supplierpsilas quality supplying competence of mixed quality characteristics. At the beginning, it carries...
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