Developed in the 1950s by Japanese companies like Toyota under the tutelage of U.S. Quality guru W. Edwards Deming, the practices now referred to as 6 Sigma were originally just a way of reducing waste and cost on the factory floor, while improving quality, delivery and services.
In the 1970s, U.S. manufacturers began adopting it in [...]
6 Sigma Mystique Takes Beating In Downturn
Why are companies that embraced 6 Sigma – like GM, Caterpillar, and Motorola — doing no better in this downturn than the companies that ignored it?
Companies have spent hundreds of millions of dollars adopting 6 Sigma, the popular business management system inspired by Toyota Motor Corp’s legendary approach to [...]
Criticisms of 6 Sigma
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6 Sigma is controversial with the statistics profession. Some teachers of statistics are critical of the standard of statistical teaching found in 6 Sigma materials. Others object to the idea that a single universal standard can be appropriate across all domains of application. They argue that quality standards should be set [...]
6 Sigmais a quality management program to achieve “6 sigma” levels of quality.
6 Sigma is a highly disciplined process that helps to focus on developing and delivering near-perfect products and services.
Why “Sigma”? The word is a statistical term that measures how far a given process deviates from perfection. The central idea behind 6 Sigma is [...]
Six Sigma
6 Sigma is a business management strategy, initially implemented by Motorola, that today enjoys widespread application in many sectors of industry.
6 Sigma seeks to improve quality of process outputs by identifying and removing the causes of defects (errors) and variation in manufacturing and business processes. It uses a set of quality management methods, including [...]
