Six Sigma at various esteemed organizations merely means a calculation of excellence that strives for near perfection. Six Sigma is a restricted, data-driven move toward methodology for eliminating defects in any process – from developed to transactional and from manufactured goods to service. The statistical representation of Six Sigma describes quantitatively of how a procedure is performed. To attain Six Sigma, a process must not produce more than 3.4 defects per million opportunities. A Six Sigma defect is distinct, no matter at which peripheral of customer stipulation it occurs. A Six Sigma prospect is entire extent of probability for a defect. Six Sigma calculator can be used to design process sigma. Following paper works on different approaches of Six Sigma such as Lean Six Sigma, how it affects the overall customer experience, work and effort when put together in a process. It studies of how Lean and Six Sigma supplement each other and their use at different levels of organization. It focuses on how use of six sigma approach affects reliability; different reliability metrics on which reliability has been measured upon in past and changes which six sigma has induced in. Its overall effect on the working of an organization process and number of failures faced when it is implemented thoroughly.

Six sigma, Lean Six Sigma, Reliability metrics

[1] Forrest W. Breyfogle Implementing Six Sigma:Smarter Solutions Using Statistical Methods :
[2] 6σ OJT Six Sigma Application – GEPS Playbook,GE Power Systems
[3] Darshak A.Desai,“ Improving productivity and profitability through Six Sigma: experience of a small-scale jobbing Industry”, Int. J. Productivity and Quality Management, Vol. 3, No. 3, (2008)
[4] Coleman, S. (2008). Six Sigma: an opportunity for statistics and for statisticians. Significance,Vol. 5, Issue 2, pp. 94-96
[5] Harry, M. J. (1998, May), “Six-Sigma: A breakthrough strategy for profitability”, Quality Progress, Vol. 31, No. 5, pp. 60-64.
[6] Mrinal Singh Rawat1, Arpita Mittal(2012), “Survey on Impact of Software Metrics on Software Quality,(IJACSA) International Journal of Advanced Computer Science and Applications”,Vol. 3, No. 1
[7] Aasia Quyoum, Mehraj – Ud - Din Dar 9November 2010).” Improving Software Reliability using Software Engineering Approach- A Review , International Journal of Computer Applications (0975 – 8887)”,Volume 10– No.5,
[8] DMADV ,http://www.governica.com/DMADV,8/08/15
[9] DMADV,http://whatis.techtarget.com/definition/DMADV,17/3/15
[10] Reliability,http://www.ausairpower.net/PDF-A/Reliability-PHA.pdf,15/08/15
[11] James V. Earle(2009), “DEVELOPMENT OF A STRATEGIC PLANNING PROCESS MODEL”
[12] International Journal of Quality & Reliability Management, Volume 26, Issue 7 2012
[13] SixSigmaMethodology,http://blog.royaleinternational.com/2013/10/the-six-sigma-methodology.html,18/07/15
[14] Reliability and six sigma, http://reliabilityweb.com/index.php/articles/bridging_the_gap_between_reliability_six_sigma/,19/08/15

[15] Duane Model ,http://reliawiki.org/index.php/Duane_Model,1/8/15
[16] Quality and Six Sigma,http://www.simplilearn.com/quality-assurance-six-sigma-rar91-article,2/08/15
[17] Metrices and Six Sigma,http://www.intechopen.com/books/six-sigma-projects-and-personal-experiences/demystifying-six-sigma-metrics-in-software,20,08/15
[18] Reliablity and six Sigma Relation,http://reliabilityweb.com/index.php/articles/bridging_the_gap_between_reliability_six_sigma/,21/08/15
[19] Zscore,http://stattrek.com/statistics/dictionary.aspx?definition=z%20score,18/08/15
[20] B.Anni Princy, “Software Reliability of Proficient Enactment”, Vol. 5 No.3 Jun-Jul 2014