PK0-005 Tools and Documentation Practice Question
During a quality audit, the team identifies that defects are concentrated in a few areas. The project manager decides to use a Pareto chart. Which TWO statements are true about Pareto charts?
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
✓
They are based on the 80/20 rule.
Pareto charts are based on the 80/20 rule, showing that 80% of effects come from 20% of causes. Bars are arranged in descending order of frequency. Control limits are for control charts. Cause-and-effect relationships are shown in fishbone diagrams.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
They are based on the 80/20 rule.
Why this is correct
The 80/20 rule is the foundation of Pareto analysis.
- ✗
The bars are arranged in ascending order of frequency.
Why it's wrong here
Bars are arranged in descending order to highlight the most significant.
- ✓
They are used to prioritize problem causes.
Why this is correct
Pareto charts help prioritize by showing the most frequent causes.
- ✗
They show cause-and-effect relationships.
Why it's wrong here
Cause-and-effect relationships are shown in fishbone diagrams.
- ✗
They display control limits to identify variations.
Why it's wrong here
Control limits are used in control charts, not Pareto charts.
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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.