Basically there are two different types of variable; they could be dependent and independent. The height of the bars in the Pareto chart, will show the depended variable, whereas, the horizontal x-axis will have the independent variables. In the corporate world the Pareto chart is so famous, because it helps the user portray two things at once, you can show all the problems and hurdles that are faced by the company, as well as, the efforts and the solutions that the company is making in order to tackle them. In this way you are not only mentioning the bad aspects but also the good ones, in just one chart.
A Pareto chart is made up of both line graph and a bar graph. A Pareto chart is precise and concise form of chart. Wilfredo Pareto was an Italian engineer, who proposed this chart, which is why it is named as Pareto chart. In the Pareto chart the person will have to set the data in the descending order using bars. Whereas, the cumulative total is represented on the lines. The individual then can easily plot the values for different items, from left to right in the decreasing order with relative frequency. If you have a program based upon the quality control then you must Pareto chart in your reports. With the help of the Pareto chart, the user can easily focus on the attentions.