DA0-002 Data Acquisition and Preparation Practice Question
An analyst is performing EDA and wants to measure the strength and direction of linear relationship between two continuous variables. Which statistical measure should they compute?
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
✓
Correlation
Correlation coefficient (Pearson's r) measures linear relationship strength and direction.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Correlation
Why this is correct
Correlation measures linear relationship.
- ✗
Standard deviation
Why it's wrong here
Standard deviation measures spread.
- ✗
Mean
Why it's wrong here
Mean is a measure of central tendency.
- ✗
Mode
Why it's wrong here
Mode is most frequent value.
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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.