DA0-002 Visualization and Reporting Practice Question
A data analyst wants to compare the revenue across five different product categories. Which chart type is best suited?
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
✓
Bar chart
Bar charts are ideal for comparing categories because they display discrete values side by side.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Scatter plot
Why it's wrong here
Scatter plots show relationships between two variables.
- ✗
Pie chart
Why it's wrong here
Pie charts show proportions, but comparing exact values across categories is harder.
- ✗
Line chart
Why it's wrong here
Line charts are for trends over time, not category comparison.
- ✓
Bar chart
Why this is correct
Bar charts are best for comparing categories.
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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.