DA0-002 Visualization and Reporting Practice Question
A company wants to show the number of products sold across different categories: Electronics, Clothing, Home Goods, and Books. 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
✓
Bar chart
Bar chart is ideal for comparing categorical data across distinct groups.
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 this is correct
Bar chart effectively compares categories.
- ✗
Scatter plot
Why it's wrong here
Scatter plots show relationships between two continuous variables.
- ✗
Line chart
Why it's wrong here
Line charts are for trends over time.
- ✗
Pie chart
Why it's wrong here
Pie charts show proportions but become cluttered with many categories.
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Written by Johnson Ajibi, MSc IT Security
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