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Question
Construct a frequency distribution table from the following cumulative frequency distribution:
| C.I | C.F |
| 5 - 10 | 18 |
| 10 - 15 | 30 |
| 15 - 20 | 46 |
| 20 - 25 | 73 |
| 25 - 30 | 90 |
Chart
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Solution
The frequency distribution table is
| C.I | C.F |
| 5 - 10 | 18 |
| 10 - 15 | 12 |
| 15 - 20 | 16 |
| 20 - 25 | 27 |
| 25 - 30 | 17 |
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Chapter 17: Statistics - Exercise 17 [Page 257]
