PK0-005 Tools and Documentation Practice Question
A project manager is analyzing quality data and wants to identify the most frequently occurring defects to prioritize corrective actions. Which quality tool should be used?
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 displays causes in descending order of frequency, applying the 80/20 rule to focus on the most significant 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.
- ✗
Histogram
Why it's wrong here
Histograms show distribution but do not prioritize by frequency in descending order.
- ✗
Scatter diagram
Why it's wrong here
Scatter diagrams show relationships between two variables.
- ✓
Pareto chart
Why this is correct
Correct: Pareto charts rank causes by frequency, helping to identify the vital few.
- ✗
Control chart
Why it's wrong here
Control charts monitor process stability over time, not frequency of defects.
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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.