DA0-002 Visualization and Reporting Practice Question
A data analyst wants to visualize the distribution of customer ages, including quartiles and potential outliers, for a dataset with 10,000 records. Which TWO chart types are appropriate? (Choose two.)
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 explicitly show quartiles and outliers. Histograms show distribution shape and can reveal outliers, but they don't directly show quartiles. However, both can be used to understand distribution and identify outliers.
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 display median, quartiles, and outliers.
- ✗
Pie chart
Why it's wrong here
Pie charts show proportions, not distributions.
- ✗
Line chart
Why it's wrong here
Line charts show trends over time.
- ✗
Treemap
Why it's wrong here
Treemaps show hierarchical proportions.
- ✓
Histogram
Why this is correct
Histograms show frequency distribution and can reveal outliers visually.
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