CBSE Class 10 Maths (Basic) 2023 · Paper 430/5/1 · Question 28
Find mean of the following data :
| Class | Frequency |
|---|---|
| 0 - 15 | 12 |
| 15 - 30 | 15 |
| 30 - 45 | 11 |
| 45 - 60 | 20 |
| 60 - 75 | 16 |
| 75 - 90 | 6 |
Answer
Mean
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