Six Sigma (glossary)
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: http://www.isixsigma.com/dictionary/six-sigma/.