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प्रश्न
Ages of 27 members of a club are given below in years:
| 36 | 38 | 40 | 52 | 50 | 45 | 38 | 69 | 29 | 43 | 27 | 36 | 39 | 43 |
| 65 | 51 | 48 | 50 | 51 | 49 | 41 | 63 | 41 | 38 | 42 | 51 | 46 |
Prepare a grouped frequency distribution table taking classes 20 - 30, 30 - 40, ...
बेरीज
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उत्तर
| Age (in years) |
Tally Marks | Frequency (Number of members) |
| 20 - 30 | `bb|bb|` | 2 |
| 30 - 40 | `cancel(bb|bb|bb|bb|) bb|` | 6 |
| 40 - 50 | `cancel(bb|bb|bb|bb|) cancel(bb|bb|bb|bb|)` | 10 |
| 50 - 60 | `cancel(bb|bb|bb|bb|) bb|` | 6 |
| 60 - 70 | `bb|bb|bb|` | 3 |
| Total | 27 |
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