You don’t need to know Six Sigma Formulas or decision trees to make improvement. Here’s why:
“Hi, I’m Jay Arthur, author of “Agile Process Innovation; Hacking Lean and Six Sigma for Results.”
“Back when I got started in Quality (and maybe many of you), we had to learn formulas to calculate things for control charts and whatever. I spent five days in a control chart class learning how to calculate the formulas for every control chart manually. Now, that did not really teach me anything about the distributions underlying them, it taught me how to calculate them manually. What they didn’t tell us in that class is software can do that for you.