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प्रश्न
The following are the number of children in each of 30 families in a housing society. Prepare an ungrouped frequency distribution table.
| 2 | 1 | 3 | 2 | 5 | 3 | 3 | 2 | 3 | 1 | 3 | 4 | 4 | 5 | 4 |
| 2 | 2 | 4 | 2 | 3 | 4 | 3 | 1 | 3 | 2 | 2 | 5 | 6 | 1 | 2 |
बेरीज
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उत्तर
| Number of Children | Tally Marks | Number of Families (Frequency) |
| 1 | `bb|bb|bb|bb|` | 4 |
| 2 | `cancel(bb|bb|bb|bb|) bb|bb|bb|bb|` | 9 |
| 3 | `cancel(bb|bb|bb|bb|) bb|bb|bb|` | 8 |
| 4 | `cancel(bb|bb|bb|bb|)` | 5 |
| 5 | `bb|bb|bb|` | 3 |
| 6 | `bb|` | 1 |
| Total | 30 |
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