DA0-002 Data Analysis Practice Question
A data analyst is testing whether the average sales amount differs between two regions. Which statistical test is most appropriate?
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
✓
Two-sample t-test
A two-sample t-test compares the means of two independent groups.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Chi-square test
Why it's wrong here
Chi-square is for categorical variables.
- ✗
ANOVA
Why it's wrong here
ANOVA is for three or more groups.
- ✓
Two-sample t-test
Why this is correct
Compares means of two independent groups.
- ✗
Paired t-test
Why it's wrong here
Paired t-test is for dependent samples (e.g., before-after).
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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.