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प्रश्न
The weights of 40 students of class 9 of a school are given below (in kg). Make a grouped frequency distribution table by taking classes 35 - 45, 45 - 55, ...
| 46 | 51 | 65 | 50 | 57 | 54 | 68 | 46 | 58 | 63 | 45 | 38 | 54 | 71 | 72 | 39 | 60 | 53 | 52 | 47 |
| 39 | 43 | 70 | 52 | 49 | 47 | 65 | 60 | 40 | 53 | 61 | 65 | 58 | 73 | 49 | 63 | 55 | 70 | 56 | 51 |
योग
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उत्तर
| Class Interval (in kg) |
Tally Marks | Frequency |
| 35 - 45 | `cancel(bb|bb|bb|bb|)` | 5 |
| 45 - 55 | `cancel(bb|bb|bb|bb|) cancel(bb|bb|bb|bb|) cancel(bb|bb|bb|bb|) bb|` | 16 |
| 55 - 65 | `cancel(bb|bb|bb|bb|) cancel(bb|bb|bb|bb|)` | 10 |
| 65 - 75 | `cancel(bb|bb|bb|bb|) bb|bb|bb|bb|` | 9 |
| Total | 40 |
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