| Six Sigma are the practices that help to eliminate defects and always deliver the products that meet customer specifications. Six Sigma is a philosophy of managing that focuses on eliminating defects through processes that emphasizes understanding, measuring and improving processes. It is data drive method of achieving near perfect quality. It is actually registered trademark of Motorola Inc in U.S.A. It is s statistical method to reduce variations in manufacturing processes. It defines opportunities, measures the performance, analyzes the opportunities and improves performance and control performance. |