Question

what is 6 sigma?
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Answer 1

Answer:

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Step-by-step explanation:

Six Sigma is a quality-control methodology developed in 1986 by Motorola, Inc. ... Six Sigma emphasizes cycle-time improvement while at the same time reducing manufacturing defects to a level of no more than 3.4 occurrences per million units or events.

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Answer 2

Answer:

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Six Sigma (6σ) is a set of techniques and tools for process improvement. It was introduced by American engineer Bill Smith while working at Motorola in 1986. A six sigma process is one in which 99.99966% of all opportunities to produce some feature of a part are statistically expected to be free of defects.

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