China’s official manufacturing purchasing managers index, a gauge of the nation’s factory activity, fell to 49.4 in January from 49.7 a month ago, adding to signs of continued sluggishness in...
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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