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Question
The frequency polygon below represents the marks obtained by some candidates in a test. Using the data in the diagram, prepare a frequency distribution table.
Sum
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Solution
| Marks | 10 | 15 | 20 | 25 | 30 | |
| No. of students | 15 | 25 | 12 | 10 | 5 | N = 67 |
∴ Total number of students = 67
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