DA0-002 Data Analysis Practice Question
An analyst compares average sales across three different store locations using a statistical test. Which 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
✓
ANOVA
ANOVA compares means across three or more 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.
- ✓
ANOVA
Why this is correct
ANOVA compares means of three or more groups.
- ✗
t-test
Why it's wrong here
t-test compares only two groups.
- ✗
Correlation analysis
Why it's wrong here
Correlation measures association, not group differences.
- ✗
Chi-square test
Why it's wrong here
Chi-square is for categorical variables.
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.