SIX SIGMA PROCESS
Six Sigma is a methodology or strategy that is used for process improvement. It was developed by Motorola (Nigam, 2005). Six sigma is used to improve the quality of the process outputs. The philosophy of six sigma is helpful in improving customer satisfaction level and in reducing the wastages (Nigam, 2005). It is done by finding and removing the causes of defects or deviations and reducing inconsistency in production and business process by introducing corrective measures (Kanji, 1990). Empirically, employing six sigma processes are adapted to reduce errors to 3.4 errors per million chances (Nigam, 2005). Six sigma is mainly ...