International Journal of Quality & Reliability Management: Volume 9 Issue 1

Procedures and Tables for Construction and Selection of Repetitive Group Sampling Plans for Three‐attribute Classes

Gauri Shankar

Presents a repetitive group sampling plan for three‐attribute classes where items are classified into three categories, namely good, marginal and bad. Derives various performance…

The Reliability of Artificial Heart Valves ‐ A Case Study for the Proportional Hazards Model

Brian D. Bunday, Victor A. Kiri, Keith D.C. Stoodley

Investigates the medical factors affecting the reliability of artificial heart valves using the proportional hazards model. The data, from a database which is still being…

Optimizing Process Control Parameters

A.D. Gupta, Anil Sachdev

Presents a modification of Saniga′s model for joint economic design of process control parameters, i.e. sample size, sampling frequency and critical regions for X and R charts…

Quality: Where Do We Go from Here?

Colin J. Coulson‐Thomas

CEOs and quality practitioners are concerned about quality. Explores the reasons for this concern and examines what needs to be done. Presents and discusses the barriers to…

Creating, Maintaining and Reinforcing a Customer Service Culture

Richard A. Martin

Customer service is now playing a vital role in every company′s attempt to improve the quality of its offering. Based on a number of real‐life projects carried out by the…