This article is an excerpt from Alan Greenspan’s latest book, “The Map and the Territory: Risk, Human Nature, and the Future of Forecasting”. As Lean Six Sigma professionals, we also...
In any Lean Six Sigma or general analysis, once data is collected the first thing any practitioner will do is to histogram the data: I like to say “Histogram-it”. This is statistics 101. Everyone does it. The reason is simple; the charting of the data will reveal detail in a picture format that human minds can’t conceive in the raw number format.
By definition, histograms are created for any type of categorical or numerical data to have meaningful order, which might take several iterations to get the correct pattern displaying the data.
Gary Kapanowski – Lean Six Sigma Master Black Belt – Excelsior
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