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Street Smart Lessons from a Caveman
Have you ever wondered what the oldest tool is in your Six Sigma process improvement toolbox? Some argue that Dr. John Snow’s map, which helped end the cholera epidemic of London in the mid-1800s, was one of the first uses of a concentration diagram. Karl Pearson gave us the standard deviation around 1893. Walter Shewhart drew the first control chart in 1924. In 1977, as John Travolta was strutting ab....more |
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Author: Jeff Cole Tags: Karl Pearson | Walter Shewhart | John Tukey |
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