There are some people in any modern day society that when they speak, it’s a good idea to listen to them. One of them is the former Federal Reserve chairman...
Everyone can value a quick and efficient way of calculating a formula. The Sigma Calculator on this website is the easiest and quickest way to get your Sigma Z score. Understanding the assumptions in this case will provide the path toward your answer. Basically, the calculator will add 1.5 Sigma shift to the process as an industry standard since it is assumed you are providing long term data for a short term Sigma. Please note when we are solving for a Six Sigma process, we are always discussing the current or short term aspect of the problem. When we discuss DPMO, we are discussing the long term or future state as a goal.
Article Link: http://www.isixsigma.com/process-sigma-calculator/
Gary Kapanowski – Lean Six Sigma Master Black Belt – Excelsior
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