Class 10 Maths · Statistics · NCERT Exercise 13.3 · Question 3
Calculate the mean of the following data.
| Class | Frequency |
|---|---|
| 4 - 7 | 5 |
| 8 - 11 | 4 |
| 12 - 15 | 9 |
| 16 - 19 | 10 |
Answer
Mean .
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