Income per0-100 100-200 200-300 300-400 400-500 500-600 600-700 700-800 day in | Number | 4 | 8 | 9 | 10 | 7 | 5 | 4 | 3 | |---|---|---|---|---|---|---|---|---| of persons

Question

Income per0-100 100-200 200-300 300-400 400-500 500-600 600-700 700-800 day in `
| Number | 4 | 8 | 9 | 10 | 7 | 5 | 4 | 3 |
|---|---|---|---|---|---|---|---|---|
of persons

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Question 9