Rewrite the following cumulative frequency distribution into frequency distribution:
Less than or equal to 10 2
Less than or equal to 20 7
Less than or equal to 30 18
Less than or equal to 40 32
Less than or equal to 50 43
Less than or equal to 60 50
Solution:
The given cumulative frequency distribution is rewritten into frequency distribution below:
| Class | Frequency |
| 0-10 | 2 |
| 11-20 | 5 |
| 21-30 | 11 |
| 31-40 | 14 |
| 41-50 | 11 |
| 51-60 | 7 |
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