SELECTION OF ONE PLAN SUSPENSION SYSTEM THROUGH QUALITY DECISION REGIONS

by SURESH K.K AND SANGEETHA.V.

Abstract: Acceptance sampling plans are the practical tools for quality assurance applications involving product quality control.Acceptance sampling systems are advocated when small sample size are necessary or desirable towards costlier testing for product quality.When a single plan is used with suspension rule, the system is called One Plan (OP) Suspension System. In OP suspension systems, a lot - by -lot sampling plan is used to decide whether individual lots are accepted or rejected. Quality Decision Region (QDR) indexed plan provides a method for designing sampling plan based on range of quality, instead of point wise description about quality. The QDR indexed plan has been experimented for Designing Suspension System with Repetitive Group Sampling Plan which provides higher probability of acceptance compared with plan designed through quality levels. Quality decision region (QDR) proposes wider potential applicability in industry ensuring higher standard of quality attainment for product. This paper provides a new procedure for Designing of Suspension System with Repetitive Group Sampling Plan indexed through Quality Decision Regions. New operating ratios are introduced towards designing such sampling systems

Key Words: One Plan Suspension System, Quality Decision Region, Probabilistic Quality Region, Limiting Quality Region, Indifference Quality Region

Authors:
K.K.Suresh, sureshkk1@rediffmail.com
V.Sangeetha, sangee.stat07@gmail.com

Editor: Youssef, Ahmed H, ahyoussef@hotmail.com

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