Six Sigma

Six Sigma is a quality program designed to reduce defects and help lower costs, save time, and improve customer satisfaction.

Definition

According to Management by Robbins and Coulter (14th edition),

Six Sigma. A quality program designed to reduce defects and help lower costs, save time, and improve customer satisfaction.

According to Juran's Quality Handbook by Defeo (7th edition),

Six Sigma. A quality program that ultimately improves customers’ experiences, lowers producers’ costs, and builds better leaders.

According to Managerial Accounting by Braun, Tietz (5th edition),

Six Sigma. The goal of producing near perfection, with less than 3.4 defects per million opportunities.

According to the Strategic Management by David and David (15th edition),

Six Sigma. A quality-boosting process improvement technique that entails training several key persons in techniques to monitor, measure, and improve processes and eliminate defects in a firm; trained persons can earn black belts.

According to the ASME EMBOK,

Six Sigma. A tool to improve the processes of a business characterized by well-defined projects executed by a team that includes management champions, Black Belts, and Green Belts.