| Chart | Purpose |
|---|---|
| Bar Chart | Compare categories |
| Line Graph | Show trends |
| Pie Chart | Show proportions |
| Histogram | Distribution of continuous data |
| Cumulative Frequency | Find median, quartiles |
| Scatter Diagram | Show relationship |
Sector angle = $\frac{\text{part}}{\text{total}} \times 360°$
📘 MathsKiller Textbook Series | P2-3 Statistical Charts
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