Practice Quiz

Six Sigma Black Belt

Category - Black Belt

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Six Sigma is a fact-based, rigorous methodology in process and quality improvement that aims for defect prevention in products rather than defect detection. Six Sigma quality performance means there are ____ defects per million opportunities.
  1. 1.5
  2. 5.1
  3. 4.3
  4. 3.4
Explanation
Answer: D - Six Sigma quality performance means that there are 3.4 defects per million opportunities.

Key Takeaway: Six Sigma methodology provides a concrete and fact-based methodology to limit the number of defects per million opportunities such as products. The aim of implementing the methodology is to limit these defects to 3.4 which translates to a 1.5-sigma shift in the mean.
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