CBSE Class 10 Maths (Standard) 2020 · Paper 30/3/1 · Question 26
Find the value of , if the mean of the following distribution is .
| Classes | 2-4 | 4-6 | 6-8 | 8-10 | 10-12 | 12-14 |
|---|---|---|---|---|---|---|
| Frequency (fi) | 6 | 8 | 15 | 8 | 4 |
Answer
.
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