DA0-002 Data Analysis Practice Question
A data analyst calculates the mean, median, and mode of a dataset. Which measure of central tendency is most affected by extreme outliers?
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
✓
Mean
The mean is sensitive to extreme values because it includes all data points in its calculation, whereas median and mode are more robust.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Mean
Why this is correct
The mean is the average and is pulled toward extreme values.
- ✗
Range
Why it's wrong here
The range is affected by outliers but is not a measure of central tendency.
- ✗
Median
Why it's wrong here
The median is the middle value and is resistant to outliers.
- ✗
Mode
Why it's wrong here
The mode is the most frequent value and is not affected by outliers.
Go deeper
Related to this question
About these practice questions
Courseiva writes every DA0-002 question from scratch — 986 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DA0-002 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 DA0-002 exam.