Pareto Chart

The Pareto chart is one of the seven basic tools of quality control. It can be leveraged to assess the most frequently occurring defects in a series. The premise behind the chart is the Pareto principle which states that roughly 80% of the effects come from 20% of the causes. Individual values are represented in descending order by bars, and the cumulative total is represented by the line.

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    • Hints!

    • Observations
      This is the list of defects, errors or quality issues. Using Pareto we will try to identify the most frequent ones.
    • Ocurrences
      For each observation, how many times did it happen?
    • Adding Observation
      Pareto will be useful for no less than six or seven types of observations.
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