Shewhart didn’t make our lives any easier 100 years ago when he started using control charts. Here’s why and what to do about it.
“Hi, this is Jay Arthur, author of “Lean Six Sigma Demystified” and the QI Macros [software].
“Now, a long time ago (I mean this was back in the 1920s and the 1930s), Shewhart did us a disservice. Now, he was most interested in economic control of quality of manufactured product, and he called the charts that he used for that “control charts.” I don’t know about you, but for most people when you hear the word control, they don’t like the idea of being controlled.