Category Archives: Six Sigma


Question My question concerns the process performance metric DPMO (defects per million opportunities). I want to use this to quantify a particular supplier’s performance. My question is, is the number of defects referred to in the calculation the number of … Continue reading

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Six Sigma Statistical Meaning

Question I need to understand the statement, “Adding a 1.5 sigma shift in the mean results …….” I’m used to the bell curve and + /- three sigma. How does the extra +/- three sigma fit in, and what is … Continue reading

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Six Sigma Black Belt

Question I am currently an Executive Chef working that has been taking online classes for Green & Black Belt Six Sigma.  I am about halfway through my Black Belt classes and would like to pursue my certifications.  However, my company … Continue reading

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I’m working on a green belt certification. I got a question about SIPOC.  What would be the examples of inputs for hospital test facility-Supplier and the Dr and patient is customer? Response: Supplier – Doctor Input= blood sample, urine sample, … Continue reading

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Six Sigma case studies (industries: software, manufacturing, service)

Q: I would like to browse through detailed Six Sigma Case Studies. I do not mind making a payment for detailed case studies in the fields of manufacturing, services and software. Kindly direct me to the requisite links please. A: … Continue reading

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Six Sigma Standard

Q: How are the new ISO 13053-1:2011 Quantitative methods in process improvement – Six Sigma – Part 1: DMAIC methodology, and ISO 13053-2:2011 Quantitative methods in process improvement – Six Sigma – Part 2: Tools and techniques standards to be … Continue reading

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Design for Six Sigma

Q: I am preparing a short training session for my company on the topic of Design for Six Sigma.  I am interested in looking at some examples of how other companies or organizations have used DFSS.  Is it possible to get case … Continue reading

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