Question 151 of 986
DA0-002 Visualization and Reporting Practice Question
A data analyst is tasked with visualizing the distribution of customer ages across different regions. The dataset contains outliers. Which chart type best displays the distribution and highlights outliers?
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
A box plot explicitly shows median, quartiles, and outliers, making it ideal for distribution and outlier detection. Histogram shows distribution but not outliers clearly. Violin plot is similar but more complex. Bar chart is not for distribution.
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 plot displays distribution spread and outliers as individual points beyond whiskers.
- ✗
Violin plot
Why it's wrong here
Violin plot shows density but may obscure outliers; box plot is more standard for outlier detection.
- ✗
Histogram
Why it's wrong here
Histogram shows distribution but does not highlight outliers.
- ✗
Bar chart
Why it's wrong here
Bar chart is for categorical comparisons, not distribution of a continuous variable.
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Last reviewed: Jun 24, 2026
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