PK0-005 Tools and Documentation Practice Question
A project manager is reviewing a control chart and notices several data points outside the upper control limit (UCL). Which type of variation do these points indicate?
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
✓
Special cause variation
Special cause variation is indicated by data points outside control limits or non-random patterns.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Common cause variation
Why it's wrong here
Common cause variation is inherent and within control limits.
- ✗
Standard deviation
Why it's wrong here
Standard deviation is a measure, not a type of variation.
- ✗
Random variation
Why it's wrong here
Random variation is part of common cause.
- ✓
Special cause variation
Why this is correct
Points outside control limits signal special cause variation.
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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.