| Data Story | Best Chart Type | Business Example |
|---|---|---|
| Composition | Stacked waterfall | Revenue breakdown by product line |
| Distribution | Histogram with bins | Customer age clusters |
| Trend | Line chart with confidence band | COVID-era sales volatility |
Uses:
Month-over-month profit bridges
Investment cash flows
// Use stacked bars with clever date math
Project Mgmt Case:
Track product launch milestones across 5 teams
=SPARKLINE(FILTER(Q1:Q4, NOT(ISBLANK(Q1:Q4)))
Wall Street Use:
Earnings report "at-a-glance" trend indicators
Assignment:
Visualize startup burn rate using combo charts + conditional formatting
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