1. Question 1

What do treemaps use to represent hierarchical data categories?

• ❌ Treemaps use data points on a line.

• ✅ Treemaps use color, size, and closeness of shapes.

• ❌ Treemaps use interconnected circles.

• ❌ Treemaps use different shapes.

Explanation:
Treemaps visualize hierarchy using nested rectangles whose size and color reflect data values.

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2. Question 2

Histograms can look like bar charts—what’s the key difference?

• ❌ Bar charts use horizontal bars.

• ❌ Histograms use bins. (true but incomplete)

• ❌ Histograms use Axis Options to change bin sizes.

• ✅ Bar charts compare data, and histograms show the distribution of data.

Explanation:
A histogram displays frequency distribution across bins, while bar charts compare categories.

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3. Question 3

What kind of data works best with filled map charts?

• ❌ Raw data

• ✅ Data containing geographical regions

• ❌ Scientific data

• ❌ Complicated data

Explanation:
A filled map chart requires location-based data (states, countries, regions, ZIP codes).

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4. Question 4

What are sparklines typically used for?

• ❌ To contrast numerical values

• ❌ To highlight a data range

• ✅ To show data trends

• ❌ To show regional information

Explanation:
Sparklines are mini-charts inside a cell that show trends over time at a glance.

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🧾 Summary Table

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