Essay --

1) What is sixsome Sigma (6S) ?1.1 The concept The sigmas concept comes from the Greek earn which the statisticians use to describe the the standard deviation of a population. So, Sigma represents the unevenness deep down a population. A high quality level of Sigma demonstrates the orifice of defective products. The higher the Sigmas level, the lower the rate of the defective. Hence, the use of Six Sigma helps to reduce the variation, achieving small standard deviations and improving the products quality.(Pande et al 2002, Breyfogle 1999, Breyfogle et al 2001, Oakland 1999)1.2 The background Six Sigma was developed by Motorola in the new 1980s with a view to improving the quality (Bhote 2002). In 1990s, planetary Electric and Allied Signal implied Six Sigma successfully. After that, more(prenominal) and more organisations firstly in United States and after worldwide developed 6S and it won the attention of the business world. The strategy of Six Sigma includes the use of st atistical tools within a structured methodology for obtaining of knowledge needed to achieve faster, damp and cheaper products and services from the competitors.The disciplined and the repeated implementation of the main strategy argon the key of the 6S. (Breyfogle 1999, Urdhwareshe 2000)1.3 Definition of Six Sigma Six sigma has many definitions depending on the authors, it stinkpot be defined as a strategy, an operational initiative, a statistic method, a tool for barroomment, a butt end, a comparative performances measure, a vision, a philosophy and other. Breyfogle (1999) supports that Six Sigma is passed an operational strategy that uses a well-structured perpetual improvement methodology. The aim is to reduce the variance of processes and the c... ...Six Sigma is not a proficiency or a method, gibe to the definition of Mario Perez-Wilson (1999), the 6S targets an optimized performance level with well-nigh zero defects in a process that produces products, services or transactions. It indicates an feat and maintenance of a world-class performance. Six Sigma is the result, not the journey. Accordingly, Perez-Wilson does not consider the Six Sigma as a methodology, but as a target. Consequently, according Knowles (2011), as output of the different views, Six Sigma has three aspects and it is1) A measure How far is the organisation from the target and the perfect quality ? 2) A target 3.4 defects per one million opportunities.3) A philosophy It focuses on sustainability and on a long term strategy which targets on the reduction of expenses, decreasing the variability in the process and the products.