PK0-005 Tools and Documentation Practice Question
Which diagram is used in quality management to prioritize the most significant causes of a problem, based on the 80/20 rule?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Pareto chart
A Pareto chart is based on the 80/20 rule where 80% of problems come from 20% of causes. It helps prioritize which issues to address first.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Fishbone diagram
Why it's wrong here
Fishbone is for root cause analysis, not prioritization.
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Histogram
Why it's wrong here
A histogram shows distribution of data, not prioritization based on frequency.
- ✓
Pareto chart
Why this is correct
Correct. Pareto chart uses the 80/20 principle.
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Run chart
Why it's wrong here
A run chart shows data over time, not prioritization.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PK0-005 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PK0-005 exam.