9709 P61 - Jun 2015 - Q2
2397
The table summarises the lengths in centimetres of 104 dragonflies.
| Length (cm) | 2.0–3.5 | 3.5–4.5 | 4.5–5.5 | 5.5–7.0 | 7.0–9.0 |
|---|---|---|---|---|---|
| Frequency | 8 | 25 | 28 | 31 | 12 |
- State which class contains the upper quartile.
- Draw a histogram, on graph paper, to represent the data.
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