DA0-002 Visualization and Reporting Practice Question
A sales manager wants to see the conversion rates at each stage of the sales pipeline, from initial contact to closed deal. Which chart type is most appropriate?
⚠ Common exam trap
The trap is selecting a bar chart because it can display the same stage counts, but bar charts lack the sequential, tapering visual metaphor that communicates conversion drop-off inherent to a funnel chart.
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
✓
Funnel chart
A funnel chart is purpose-built to show sequential stages of a process and the progressive reduction in count or value at each stage, making it ideal for visualizing sales pipeline conversion from initial contact to closed deal. The tapering shape visually communicates drop-off at each stage, which is exactly what the sales manager needs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Waterfall chart
Why it's wrong here
A waterfall chart shows how an initial value is incrementally increased or decreased by sequential contributions, not proportions surviving between pipeline stages. It is tempting because its cascading bars resemble stage-by-stage flow, but it would be correct for cumulative revenue bridge or budget variance analysis.
- ✓
Funnel chart
Why this is correct
A funnel chart plots sequential, progressively narrowing stages, so each pipeline phase from initial contact to closed deal displays as a descending segment. This directly shows conversion rates and drop-off between stages, which no other chart type represents as clearly.
- ✗
Treemap
Why it's wrong here
A treemap encodes hierarchical part-to-whole magnitude through nested rectangle areas, so it cannot express sequential stage-to-stage conversion percentages. It is tempting because rectangles can be sized by deal count, but it would be correct for showing composition of a portfolio across categories.
- ✗
Bar chart
Why it's wrong here
A bar chart compares discrete category magnitudes side by side; it does not inherently show the sequential drop-off from one pipeline stage to the next. It is tempting because stage counts plot cleanly as bars, but it would be correct for comparing totals across regions or products.
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Last reviewed September 2026 · checked against the official CompTIA exam blueprint
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