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Six sigma certifications and training by Opex Learning May 25, 2021 | by Mary Beard | What Is Six Sigma Certification? Six Sigma certification validates a person’s command of a well-respected method of professional skill development. Six Sigma training certifications are awarded in levels using a belt classification system similar to that used in karate training. Six Sigma is a collection of quality management techniques and tools that were developed in the 1980s and adopted by American corporations such as General Electric. Bill Smith, a Motorola engineer, is credited with developing the Six Sigma system, and Motorola trademarked the name in 1993. Six Sigma derives its name from a statistical method of designing a manufacturing process that is as error-free as possible. Six sigma in statistics denotes a probability of 3.4 defects per million items produced. This is the highest level to strive for, ensuring error-free product delivery 99.99966 percent of th

United statesBill smithWhat is six sigmaSix sigmaOperational excellenceOpex learning master black beltCertification reviewGreen beltஒன்றுபட்டது மாநிலங்களில்ர சி து ஸ்மித்ஆறு சிக்மாசெயல்பாட்டு சிறப்பானதுசிஇஆர்டிஐஎஃப்ஐசிஏடிஐஓஎன் விமர்சனம்பச்சை பெல்ட்