John Lloyd has surveyed their 30 classmates about the number of pets in their household and received the following data:
| Number of pets | Frequency |
| 0 | 3 |
| 1 | 5 |
| 2 | 7 |
| 3 | 4 |
| 4 | 3 |
| 5 | 3 |
| 6 | 5 |
| Total: | 30 |
Construct a frequency polygon:
Clear All Draw: Polygon
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