In weak statistical control?

Authors: Chakhunashvili, Alexander¹; Bergman, Bo²

Source: International Journal of Six Sigma and Competitive Advantage, Volume 3, Number 1, 24 April 2007 , pp. 91-102(12)

Publisher: Inderscience Publishers

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Abstract:

There are usually two distinct objectives to attain a process in statistical control, including economic aspects, and predictability. While both objectives are important from a statistical quality control standpoint, they do not necessarily have to be fulfilled simultaneously. In this paper, we suggest a generalisation of the concept 'in statistical control' especially useful for processes in which assignable causes of a certain kind are found, but their presence do not jeopardise the predictability (within limits) of the process. Such processes are referred in this paper as processes in weak statistical control.

Keywords: TECHNICAL JOURNALS; Design and Product Development; MANAGEMENT JOURNALS; Operational Management, Marketing and Services

Document Type: Research article

DOI: http://dx.doi.org/10.1504/IJSSCA.2007.013391

Affiliations: 1: Healthcare Improvement Unit, Administration and Development, Skaraborg 2: s Hospital, 541 85 Skovde, Sweden; Division of Quality Sciences, Department of Technology Management and Economics, Chalmers University of Technology, Vera Sandbergs Alle 8, 412 96 Gothenburg, Sweden.

Publication date: 2007-04-24

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