DA0-002 Visualization and Reporting Practice Question
A data analyst wants to visualize the monthly sales trend for the past year. 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
✓
Line chart
Line charts are best for showing trends over time.
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, but line charts are more common for time series.
- ✗
Pie chart
Why it's wrong here
Pie charts show parts of a whole, not trends over time.
- ✓
Line chart
Why this is correct
Line charts effectively display trends over time.
- ✗
Scatter plot
Why it's wrong here
Scatter plots show correlation between two variables, not a single trend over time.
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