Mathematics
Construct a frequency distribution table for the following distribution :
| Marks (less than) | Cumulative frequency |
|---|---|
| 0 | 0 |
| 10 | 7 |
| 20 | 28 |
| 30 | 54 |
| 40 | 71 |
| 50 | 84 |
| 60 | 105 |
| 70 | 147 |
| 80 | 180 |
| 90 | 196 |
| 100 | 200 |
Statistics
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Answer
The frequency distribution table for above distribution is :
| Marks | Cumulative frequency | Frequency |
|---|---|---|
| 0 - 10 | 7 | 7 |
| 10 - 20 | 28 | 21 (28 - 7) |
| 20 - 30 | 54 | 26 (54 - 28) |
| 30 - 40 | 71 | 17 (71 - 54) |
| 40 - 50 | 84 | 13 (84 - 71) |
| 50 - 60 | 105 | 21 (105 - 84) |
| 60 - 70 | 147 | 42 (147 - 105) |
| 70 - 80 | 180 | 33 (180 - 147) |
| 80 - 90 | 196 | 16 (196 - 180) |
| 90 - 100 | 200 | 4 (200 - 196) |
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