CBSE Class 10 Maths (Basic) 2020 · Paper 430/1/1 · Question 40
Find the mean of the following data:
| Classes | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 | 100-120 |
|---|---|---|---|---|---|---|
| Frequency | 20 | 35 | 52 | 44 | 38 | 31 |
Answer
Mean
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