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प्रश्न
The scores (out of 100) obtained by 33 students in a mathematics test are as follows:
69, 48, 84, 58, 48, 73, 83, 48, 66, 58, 84, 66, 64, 71, 64, 66, 69, 66, 83, 66, 69, 71, 81, 71, 73, 69, 66, 66, 64, 58, 64, 69, 69
Represent this data in the form of a frequency distribution.
योग
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उत्तर
The number of students who have the same marks in mathematics is called the frequency of that mark.
A frequency distribution table for the given data is given below:
| Scores | Tally marks | Frequency |
| 48 | `bb|bb|bb|` | 3 |
| 58 | `bb|bb|bb|` | 3 |
| 64 | `bb|bb|bb|bb|` | 4 |
| 66 | `\cancel(bb|bb|bb|bb|) bb|bb|` | 7 |
| 69 | `\cancel(bb|bb|bb|bb|) bb|` | 6 |
| 71 | `bb|bb|bb|` | 3 |
| 73 | `bb|bb|` | 2 |
| 81 | `bb|` | 1 |
| 83 | `bb|bb|` | 2 |
| 84 | `bb|bb|` | 2 |
| Total | 33 |
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