Six Sigma is a business management strategy originally developed by Motorola.
Six Sigma seeks to improve the quality of process outputs by identifying and removing the causes of defects (errors), minimizing variability in manufacturing and business processes.
It uses a set of quality management methods, including statistical methods, and creates a special infrastructure of people within the organization ("Black Belts”,” Green Belts", etc.) who are experts in these methods.
Each Six Sigma project carried out within an organization follows a defined sequence of steps and has quantified targets. These targets can be financial (cost reduction or profit increase) or whatever is critical to the customer of that process (cycle time, safety, delivery, etc.).
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