To help set priorities among a number of problems or a number of causes by arranging data graphically in descending order of frequency.
Construct a Pareto Chart in the following manner:
Next, draw a vertical line at roughly 80% (see below). This line indicates, according to the Pareto Principle that categories Not Timely, Status Unclear, High Cost, and Poor Quality account for about 80% of all stakeholder complaints. If the team puts its efforts into these categories, they will get the greatest return for their effort.