Six Sigma (glossary)

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Six Sigma is a rigorous and a systematic methodology that utilizes information (management by facts) and statistical analysis to measure and improve a company’s operational performance, practices and systems by identifying and preventing ‘defects’ in manufacturing and service-related processes in order to anticipate and exceed expectations of all stakeholders to accomplish effectiveness. (iSixSigma 2012)


iSixSigma. 2012. "Dictionary: Six Sigma." Accessed 11 September 2012. Available at:



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