DA0-002 Visualization and Reporting Practice Question
A data analyst needs to visualize the distribution of salaries across departments and also compare the median and identify outliers. Which chart type is most suitable?
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
✓
Box plot
Box plots display median, quartiles, and outliers, making them ideal for comparing distributions across categories.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Box plot
Why this is correct
Box plots show median, quartiles, and outliers, and are great for comparing across groups.
- ✗
Histogram
Why it's wrong here
Histograms show distribution of a single continuous variable but not across multiple categories easily.
- ✗
Bar chart
Why it's wrong here
Bar charts compare aggregates, not distributions.
- ✗
Scatter plot
Why it's wrong here
Scatter plots show correlation between two variables, not distribution within groups.
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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.