PK0-005 Tools and Documentation Practice Question
During a quality audit, the project team discovers that 80% of customer complaints are caused by 20% of the defect types. Which quality tool should the project manager use to present this data and prioritize corrective actions?
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 and is used to highlight the most significant factors causing defects.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Scatter diagram
Why it's wrong here
Scatter diagrams show relationship between two variables.
- ✗
Control chart
Why it's wrong here
Control charts track process stability over time.
- ✓
Pareto chart
Why this is correct
Correct – Pareto chart shows the 80/20 rule for prioritization.
- ✗
Cause-and-effect diagram
Why it's wrong here
Fishbone diagrams explore root causes, not prioritize them.
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JA
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.