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Question
The students of a school collected certain amount of money for the Home for the aged. The amounts are given below in rupees. Make a frequency distribution table with classes 100 - 200, 200 - 300, ...
| 253 | 410 | 375 | 580 | 350 | 410 | 680 | 350 | 190 | 512 | 225 | 600 | 460 | 570 | 720 | 650 |
| 300 | 485 | 550 | 750 | 500 | 630 | 450 | 780 | 550 | 720 | 680 | 500 | 680 | 790 | 650 | 475 |
Sum
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Solution
| Class Interval (₹) |
Tally Marks | Frequency |
| 100 - 200 | `bb|` | 1 |
| 200 - 300 | `bb|bb|` | 2 |
| 300 - 400 | `bb|bb|bb|bb|` | 4 |
| 400 - 500 | `cancel(bb|bb|bb|bb|) bb|` | 6 |
| 500 - 600 | `cancel(bb|bb|bb|bb|) bb|bb|` | 7 |
| 600 - 700 | `cancel(bb|bb|bb|bb|) bb|bb|` | 7 |
| 700 - 800 | `cancel(bb|bb|bb|bb|)` | 5 |
| Total | 32 |
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