special type of histogram that can easily be apply to find and prioritize quality problems, conditions, or their causes of in the organization. it is a type of bar chart that shows the
relative importance of variables, prioritized in descending order from left to right side of the chart. The aim of Pareto chart is to figure out the different
kind of “nonconformity” from data figures, maintenance data, repair data, parts scrap rates, or other sources.