Project Management Professional (PMP) Exam Practice – Question1461

Rank ordering of defects should be used to guide corrective action. This is the underlying principle behind______________


A.
Trend analysis
B. Inspections
C. Control charts
D. Pareto diagrams

Correct Answer: D

Explanation:

Explanation:
Pareto diagrams are histograms, ordered by frequency of occurrence, that show how many results were generated by type or category of identified cause. The project team should take action to fix the problems that are causing the greatest number of defects
first. Pareto diagrams are based on Pareto’s Law, which holds that a relatively small number of causes will typically produce a large majority of defects, also called the “solzo rule.”