Definition of Six Sigma
Six sigma technique was initially presented by Motorola Inc. in 1986. Six Sigma consists of tools and techniques that are used to improve business processes and eliminate any defects or shortcomings in the manufacturing process. This system predicts that only 3.4 products out of a million got manufacturing defects. This technique equips the business to make their manufacturing processes defect free.
This is the reason, this technique is the central part of the General Electric business strategy whereas, Motorola Inc. conducts training sessions on this technique and successful candidates are awarded certificates and titles of yellow belt, green belt, and black belt.