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What is meant by three sigma?

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Anonymous

12y ago
Updated: 8/17/2019

4 Sigma is 66800 defects per million pieces

You can check out the number of defective pieces per million & the % accuracy for all Sigma levels in the six sigma conversion chart in the related links section

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Wiki User

12y ago

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When going from a three sigma quality level to a six sigma quality level?

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What is three-sigma?

3 Sigma is 66800 defects per million pieces You can check out the number of defective pieces per million & the % accuracy for all Sigma levels in the six sigma conversion chart in the related links section


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