CHAPTER 7Excel Power Tools for Lean Six Sigma
While Lean doesn’t require many tools other than a pad of Post-it Notes, Six Sigma thrives on charts, graphs, and diagrams of performance data. To succeed at Six Sigma, you’ll need a set of power tools.
When I learned quality improvement back in 1989, I had to draw all the Six Sigma charts by hand. I spent five days in a control chart class calculating all the formulas using a handheld calculator and drawing the various charts. Most of my fellow students and I struggled to calculate the formulas correctly. At the end of the course, the class spent only two hours on what the charts were telling us. I knew there was no way I was going to get phone company personnel to draw control charts by hand, ...
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