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Quality and Reliability Methods - SAS

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Chapter 11<br />

Pareto Plots<br />

The Pareto Plot Platform<br />

A Pareto plot is a statistical quality improvement tool that shows frequency, relative frequency, <strong>and</strong><br />

cumulative frequency of problems in a process or operation. It is a bar chart that displays severity<br />

(frequency) of problems in a quality-related process or operation. The bars are ordered by frequency in<br />

decreasing order from left to right, which makes a Pareto plot useful for deciding what problems should be<br />

solved first.<br />

Select Analyze > <strong>Quality</strong> <strong>and</strong> Process > Pareto Plot to launch the Pareto Plot platform.<br />

Figure 11.1 Examples of Pareto Charts

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