DA0-002 Visualization and Reporting Practice Question
A data analyst needs to visualize the distribution of customer ages in a dataset containing 10,000 records. The analyst wants to see the shape of the distribution and identify any outliers. 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 shows the distribution of a continuous variable and can reveal shape and outliers when bins are appropriately sized.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Line chart
Why it's wrong here
Line charts are for trends over time, not distributions.
- ✓
Histogram
Why this is correct
Histograms display distribution of continuous data and can show outliers.
- ✗
Box plot
Why it's wrong here
Box plots also show distribution and outliers but do not show the shape as clearly as a histogram.
- ✗
Pie chart
Why it's wrong here
Pie charts are for categorical part-to-whole, not continuous distribution.
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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.