DA0-002 Visualization and Reporting Practice Question
A data analyst wants to show the distribution of customer ages for a retail store. The ages are continuous and the analyst needs to visualize the frequency of different age ranges. Which chart type 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
✓
Histogram
A histogram is used to display the distribution of a continuous variable by grouping data into bins.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Bar chart
Why it's wrong here
Bar charts compare categories, not distributions of continuous data.
- ✗
Line chart
Why it's wrong here
Line charts show trends over time.
- ✗
Pie chart
Why it's wrong here
Pie charts show parts of a whole, not distributions of continuous data.
- ✓
Histogram
Why this is correct
Histograms display frequency distributions of continuous variables.
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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.