Which of the following is a purpose of a Pareto chart?

A Pareto chart is a type of bar chart that is used in quality improvement to identify the most significant factors contributing to a particular issue. The chart helps to prioritize problem areas by displaying data categories in descending order of frequency or impact. The principle behind the Pareto chart is the Pareto Principle (also known as the 80/20 rule), which suggests that 80% of problems are often caused by 20% of the causes. By sorting data categories by frequency, the chart enables organizations to focus their efforts on the most critical issues that will have the greatest impact if resolved.

Examining relationships between variables during a snapshot of time (A): This describes a scatter plot, not a Pareto chart.

Creating a graphical display of the process flow (B): This describes a flowchart, not a Pareto chart.

Showing central tendency and variability of a data set (C): This is the purpose of a histogram, not a Pareto chart.

References

NAHQ Body of Knowledge: Tools and Techniques for Quality Improvement

NAHQ CPHQ Exam Preparation Materials: Pareto Analysis

=========