What is sigma levels ?

 Posted by Vivek.Ramapuram on 9/28/2015 | Category: QA (Testing) Interview questions | Views: 1668 | Points: 40

Achieving Six Sigma level of quality means that the product does not have more than 3.4 defects / million opportunities (3.4 DPMO). In IT, this may not be easily achievable and the Six Sigma projects in IT industry focus on reaching around 4 to 5 Sigma levels.

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