CBSE Class 10 Maths (Standard) 2018 · Paper 30(B) · Question 30
The median of the following data is . If the total frequency is , find the values of and .
| Classes | Frequency |
|---|---|
| 0 - 10 | 2 |
| 10 - 20 | 5 |
| 20 - 30 | |
| 30 - 40 | 12 |
| 40 - 50 | 17 |
| 50 - 60 | 20 |
| 60 - 70 | |
| 70 - 80 | 9 |
| 80 - 90 | 7 |
| 90 - 100 | 4 |
Answer
and .
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