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Question
Following are the number of members in 25 families of a village:
6, 8, 7, 7, 6, 5, 3, 2, 5, 6, 8, 7, 7, 4, 3, 6, 6, 6, 7, 5, 4, 3, 3, 2, 5.
Prepare a frequency distribution table for the data using class intervals 0 – 2, 2 – 4, etc.
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Solution
| Class interval | Tally marks | Frequency |
| 0 – 2 | 0 | |
| 2 – 4 | `\cancel(bb|bb|bb|bb|) bb|` | 6 |
| 4 – 6 | `\cancel(bb|bb|bb|bb|) bb|` | 6 |
| 6 – 8 | `\cancel(bb|bb|bb|bb|) \cancel(bb|bb|bb|bb|) bb|` | 11 |
| 8 – 10 | `bb|bb|` | 2 |
| Total | 25 |
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