Simulation was recently utilized as the key component of a Six Sigma project at a major hospital in the southeastern United States. The project team used various statistical analysis tools to assess current process performance and measure improvements with process changes. However, simulation provided the best insight into which process changes had the best opportunity to succeed and which woul...

0 7 4 0 7 4 5 9 / 0 3 / $ 1 7 . 0 0 © 2 0 0 3 I E E E a firm basis on which to sustain the process improvement efforts. At Tata Consultancy Services (TCS), we blended Six Sigma concepts and various Software Capability Maturity Model key process areas1 into our own quality management system. We structured our QMS around SW-CMM Level 2 and Level 3 requirements—including quantitative process and p...

Case Study Winning Customer Loyalty in an Automotive Company through Six Sigma: a Case Study Maneesh Kumar1, Jiju Antony1,∗,†, Frenie Jiju Antony1 and Christian N. Madu2 1Centre for Research in Six Sigma and Process Improvement (CRISSPI), Division of Management, Caledonian Business School, Glasgow Caledonian University, Glasgow G4 0BA, U.K. 2Department of Management and Management Science, Lubi...

Six sigma concepts provide a quality management system (QMS) with many useful tools for managing quality in medical laboratories. This Six Sigma QMS is driven by the quality required for the intended use of a test. The most useful form for this quality requirement is the allowable total error. Calculation of a sigma-metric provides the best predictor of risk for an analytical examination proces...