PK0-005 Tools and Documentation Practice Question
In a manufacturing project, the team uses a Pareto chart to analyze defects. The chart shows that 80% of defects come from 20% of the causes. Which principle does this illustrate?
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
✓
80/20 rule
The Pareto principle states that roughly 80% of effects come from 20% of causes, used to prioritize issues.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Scatter diagram
Why it's wrong here
Scatter shows correlation between two variables.
- ✓
80/20 rule
Why this is correct
Correct; Pareto principle.
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Control limits
Why it's wrong here
Control limits are for control charts.
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Fishbone diagram
Why it's wrong here
Fishbone is for root cause analysis.
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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.