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Draw the cumulative frequency curve using the provided data.
Mathematics
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Question 10
- 10 (a): To draw the cumulative frequency curve, first construct the cumulative frequency table:
| Marks (%) | Upper Boundary | Frequency | Cumulative Frequency |
|---|---|---|---|
| 0-9 | 9.5 | 2 | 2 |
| 10-19 | 19.5 | 5 | 7 |
| 20-29 | 29.5 | 8 | 15 |
| 30-39 | 39.5 | 18 |
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