Question
During a quality analysis review, the causes of several issues have been highlighted. Which of the following should the project manager use to identify the MOST important causes?
- A. Ishikawa diagram
- B. Scatter diagram
- C. Pareto chart Correct
- D. Decision tree
Explanation
A Pareto chart ranks causes by how often they occur, applying the 80/20 rule so the few causes behind most problems stand out. An Ishikawa diagram identifies and groups possible causes but does not rank them, a scatter diagram shows the correlation between two variables, and a decision tree compares the outcomes of alternative choices.
