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Explicit Six Sigma goals and performance. Statistical viewpoint Six sigma method has two major perspectives. The origin of six sigma comes from statistics and statisticians. Hoerl and Snee (2002), discuss the six sigma method from a statistical, probabilistic, and quantitative point of view. From the statistical point of view, the term six sigma is defined as having less than 3.4 defects per million opportunities or a success rate of 99.9997% where sigma is a term used to represent the variation about the process average [4]. If an organization is operating at three sigma level for quality control, this is interpreted as achieving a success rate of 93% or 66,800 defects per million opportunities. Therefore, the six sigma method is a very rigorous quality control concept where many organizations still performs at three sigma level [15]. Business viewpoint In the business world, six sigma is defined as a 'business strategy used to improve business profitability, to improve the  

Explicit Six Sigma goals and performance. Statistical viewpoint Six sigma method has two major perspectives. The origin of six sigma comes from statistics and statisticians. Hoerl and Snee (2002), discuss the six sigma method from a statistical, probabilistic, and quantitative point of view. From the statistical point of view, the term six sigma is defined as having less than 3.4 defects per million opportunities or a success rate of 99.9997% where sigma is a term used to represent the variation about the process average [4]. If an organization is operating at three sigma level for quality control, this is interpreted as achieving a success rate of 93% or 66,800 defects per million opportunities. Therefore, the six sigma method is a very rigorous quality control concept where many organizations still performs at three sigma level [15]. Business viewpoint In the business world, six sigma is defined as a 'business strategy used to improve business profitability, to improve the  

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Conference Paper
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In brief six sigma is widely recognized as a business that employs statistical and non statistical tools and techniques, change management tools, project management skills, team work skills and a powerful road map (DMAIC) to maximize an organizations return on investment (ROI) through the elimination of defects in processes. DMAIC methodology provi...

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