A failed six sigma exam is not the end of the road. Here is what to do in the next 48 hours to turn a poor score into a real retake plan.
Lean Six Sigma isn’t a third methodology sitting alongside Lean and Six Sigma. Instead, it’s what you get when you run the two together as one practice. The site already covers each half on its own: Lean on its own terms, what Six Sigma is on its own terms, and how the two differ. This (more…)
Search for “Lean Six Sigma tools” and most lists just merge two separate toolkits under one banner without explaining why. That’s backwards. A practitioner doesn’t need “all the tools.” You need to know which toolkit to reach for right now. This page answers that directly. It shows which tools belong to Lean, which belong to (more…)
If you’ve studied for a Six Sigma exam, you’ve met dozens of Six Sigma tools: FMEA, Pareto charts, Control Plans, Fishbone diagrams. Each one is taught on its own page, with its own formula or procedure. What’s harder to find is one place that shows all the major tools at once. Better still, organized by (more…)
If you have ever compared two machines, two shifts, or two suppliers and found yourself saying “well, their standard deviation is bigger, but they’re also making a bigger part, so is that really worse?”, you were reaching for the Coefficient of Variation, even if you didn’t know its name yet. The Coefficient of Variation (CV) (more…)