6 Sigma管理是一项以数据为基础,追求完美的质量管理方法,Sigma(σ)这个是希腊文当中的一个字母,以标准差的称呼出现在统计学当中,其作用是来表明系列数据的分散及其程度。引申后的σ含义是指:通常企业的3到4个σ是常规瑕疵率,例如在每100W的机会里,以4σ而论,就会出现6210次误差。只要企业以不断追求品质改进为核心目的,标准差达到6σ的程度,得以计算,在100W个机会里,只找 6 Sigma management is a data-based, perfectionist approach to quality management. Sigma (σ), a Greek word, appears as a standard deviation in statistics, and serves to show that the series of data Scattered and its extent. The extended sigma means that typically 3 to 4 sigma of a firm are normal defect rates, for example, in the case of 4σ per 100W chance, there will be 6210 errors. As long as the company to continuously pursue the quality improvement as the core purpose, the standard deviation of 6σ level to be calculated, in the 100W opportunities, only to find