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Monday, 24 October 2011

Six Sigma

Six Sigma is a 'Management Strategy', developed in 1986 by a reputed company - Motorola - in USA. Some basic and important information about Six Sigma:- 
  • Six Sigma is a set of practices to improve processes in any industry, be it manufacturing or service.
  • Six Sigma & Sigma 6 - both are different. Sigma 6 is a line of military-themed action figures and toys, produced by a multinational and Board-game Company - Hasbro - in USA.
  • Six Sigma is based on PDCA (Plan-Do-Check-Act), an interactive four-step management method for the control and improvement of products or services.
  • It is ideal for large organisations to implement Six Sigma. Companies with a manpower of strength of less than 500 are not suited to Six Sigma implementation.
  • Six Sigma & Kaizen - both focus on Quality Improvement. Sig Sigma strives for 'breakthrough improvement' but Kaizen (a Japanese Management Technique) strives for 'continuous improvement'.
  • To support Six Sigma, four classes of software are used. (i) Analysis Tools (ii) Programme Management Tools (iii) Collaboration Tools & (iv) Data Collection Tools.
  • Six Sigma utilises many Quality Management Tools like 5 Whys, Variance Analysis, Control Chart, Pareto Analysis etc.
  • Main difference between Six Sigma & TQM is the approach. TQM - a management approach - aims at long term success through customer satisfaction.
  • Six Sigma is a methodology and a popular tool for large businesses.


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