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प्रश्न
Construct a frequency table with class-intervals 0-5 (5 not included) of the following marks obtained by a group of 30 students in an examination.
0, 5, 7, 10, 12, 15, 20, 22, 25, 27, 8, 11, 17, 3, 6, 9, 17, 19, 21, 29, 31, 35, 37, 40, 42,45, 49, 4, 50, 16.
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उत्तर
The frequency table with class intervals 0\[-\]5,5\[-\]15,...,50\[-\]55 is given below:
| Marks | Tally Marks | Frequency |
| 0\[-\]5 | ||| | 3 |
| 5\[-\]10 | 5 | |
| 10\[-\]15 | ||| | 3 |
| 15\[-\]20 | 5 | |
| 20\[-\]25 | ||| | 3 |
| 25\[-\]30 | ||| | 3 |
| 30\[-\]35 | | | 1 |
| 35\[-\]40 | || | 2 |
| 40\[-\]45 | || | 2 |
| 45\[-\]50 | || | 2 |
| 50\[-\]55 | | | 1 |
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