Six Sigma

(redirected from Seven sigma)
Also found in: Medical.
Related to Seven sigma: Six Sigma, 6 Sigma

Six Sigma

n
trademark a business management strategy that uses statistical methods to identify defects and improve performance
References in periodicals archive ?
Netsat (Pvt) Ltd, Karachi, Rockville Technologies (Pvt) Ltd, DTH Pak Operations, Parus Media and Broadcast, Islamabad, PTCL, Mobilink, DTECH Pakistan, Unified Ventures (Pvt) Ltd, Islamabad, Classic Broadcasting (Pvt) Ltd, Ministry of IT, NTC, Paksat International, ABS Global Ltd (ABS Satellite), Ufone, Tech Access Pakistan (Pvt) Ltd, Telenor Pakistan, Multinet Pakistan Pvt Ltd, Virtual University Pakistan, Seven Sigma Technologies Pvt Ltd, Shahzad International Group of Companies, Pak Datacom Ltd, Army Welfare Trust, Concept Pvt Ltd and Seronic (Pvt) Ltd.
At the time of the CERN announcement, both Higgs detectors independently achieved the five-sigma level; the statistical strength has only increased since, with both detectors now between six and seven sigma.
Six sigma is an arbitrary limit with just as much validity in five sigma or seven sigma levels.