Understanding Commonly Used Six Sigma Methodologies
By Tony Jacowski

A simple definition of Six Sigma would be that it is a quality management system with three main objectives (i.e., reducing costs, improving quality and achieving highly efficient business processes) wherein the defect rate never exceeds 3.4 per million opportunities that might exist for such defects to occur. So, how exactly does Six Sigma manage to achieve such seemingly loftier goals and objectives?

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