Six Sigma

Six Sigma was originally developed as a set of practices designed to improve manufacturing processes and eliminate defects, but its application was subsequently extended to other types of business processes as well.In Six Sigma, a defect is defined as anything that could lead to customer dissatisfaction

Six Sigma is a registered service mark and trademark of Motorola, Inc.Motorola has reported over US$17 billion in savings from Six Sigma as of 2006.

Six Sigma has made a huge impact on industry and is widely employed as a business strategy for achieving and sustaining operational and service excellence.However, there have also been various criticisms of Six Sigma.