Six Sigma in industry: some observations after twenty-five years
Article first published online: 9 MAR 2010
Copyright © 2010 John Wiley & Sons, Ltd.
Quality and Reliability Engineering International
Volume 27, Issue 2, pages 221–227, March 2011
How to Cite
Goh, T. N. (2011), Six Sigma in industry: some observations after twenty-five years. Qual. Reliab. Engng. Int., 27: 221–227. doi: 10.1002/qre.1093
- Issue published online: 9 MAR 2010
- Article first published online: 9 MAR 2010
- Six Sigma;
- Six Sigma training;
- statistical thinking;
- quality management;
- quality engineering
Six Sigma has enjoyed considerable popularity in the industry for about a quarter of a century. While the standard contents of Six Sigma have been described and discussed widely, some little articulated aspects of Six Sigma implementation deserve the attention of serious practitioners. In this paper, a ‘5W+1H’ (What, Why, When Where, Who, How) format is used to elucidate the nature of Six Sigma in a non-mathematical discussion, followed by observations peculiar to the usual mode of development of Six Sigma professionals. It is pointed out that Six Sigma has Statistical Thinking as its foundation; for Six Sigma and its associated frameworks such as Design for Six Sigma and Lean Six Sigma to continue to be effective, it is important that users have a clear understanding of the nature of Six Sigma and be able to address the related challenges in practice. Copyright © 2010 John Wiley & Sons, Ltd.