CBSE Class 10 Maths (Standard) 2025 · Paper 30(B) · Question 31
If the mean of the following distribution is , find the value of .
| Class | Frequency |
|---|---|
| 0 - 20 | 7 |
| 20 - 40 | p |
| 40 - 60 | 10 |
| 60 - 80 | 9 |
| 80 - 100 | 13 |
Answer
The missing frequency of the class – is .
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