ON MULTIVARIATE ECONOMICAL QUALITY CONTROL

Mekki Hajlaoui (Tunisia)

Received May 23, 2007

Abstract

Methods are developed for economical quality control which are taken into account adjustment, inspection and deviation costs. A generalization of the method is given when a unit product is rejected if one or more characteristics are out of control under hypothesis that the characteristics are independent.

Keywords and phrases: IMA vector process, economical quality control, loss function, optimal stopping rule.