Which diagram would you use to identify the most significant problems by frequency?

Which diagram would you use to identify the most significant problems by frequency?

• A. Pareto diagram
• B. Scatter diagram
• C. Histogram
• D. Run chart

Answer: (A)

Identify the most significant problems by frequency using a Pareto diagram. This chart lists problem categories from most to least frequent, with a cumulative line showing how much of the total they represent. It visually highlights the “vital few” issues that cause the majority of problems, making it easy to prioritize improvement efforts and resource allocation. This differs from a scatter diagram (shows relationships between two variables), a histogram (displays the distribution of a numerical variable, not prioritized categories), and a run chart (tracks a metric over time for trends). So for pinpointing which problems occur most often, the Pareto diagram is the most effective choice.

Identify the most significant problems by frequency using a Pareto diagram. This chart lists problem categories from most to least frequent, with a cumulative line showing how much of the total they represent. It visually highlights the “vital few” issues that cause the majority of problems, making it easy to prioritize improvement efforts and resource allocation. This differs from a scatter diagram (shows relationships between two variables), a histogram (displays the distribution of a numerical variable, not prioritized categories), and a run chart (tracks a metric over time for trends). So for pinpointing which problems occur most often, the Pareto diagram is the most effective choice.