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Note:
The Pareto Analysis lists the occurrences of the failed tests by
frequency, with the most frequent problem noted at the top. The
horizontal axis of the chart notes the frequency of occurrence of each
problem (red bar) with a cumulative percentage of all higher ranking
problems (white bar). In this case, we can note that over
fifty percent of the failures were attributed to only two
problems. Therefore, by addressing these two issues, we address
the cause of over fifty percent of the failed product. The Pareto
analysis is an excellent indicator of the problem areas in which
corrective efforts should be concentrated.
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