How Many SPC Books and Formulas Do You Need?
Most people are terrified of statistical formulas. How many do you need to know? I think my answer will surprise you.
“I’m Jay Arthur, author of “Lean Six Sigma Demystified” and QI Macros [software].
“Next to my desk at the office I have dozens of books about Statistical Process Control and Quality Improvement and all the other stuff. How many of those formulas do I think you all need to know?
“My answer is zero. The software will do all of that for you. You do not need to know a single formula. I go to these conferences and I talk to people and I talk about control charts and people all start to get anxious about, “Oh my god, do I have to learn any formulas?”
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