Directions: The given table shows the marks obtained by different students. |||| |---|---|---| |
Marks
| Frequency
| Cumulative frequency
|
| 11 - 20
| 2
| F
|
| 21 - 30
| 3
| 5
|
| 31 - A
| C
| 7
|
| 41 - 50
| D
| 10
|
| 51 - 60
| 5
| G
|
| 61 - 70
| 7
| H
|
| 71 - B
| E
| 25
|
| 81 - 90
| 9
| I
|
What is the value of F and C?
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