Question

answer it
question of class 10th ​

Answer 1

Answer:

C.I. F. N F×n

0-2. 1. 1. 1

2-4. 2. 3 6

4-6. 1. 5. 5

6-8. 5. 7 35

8-10. 6. 9 54

10-12. 2. 11 22

12-14. 3. 13. 39

_________________

N=20. Èfn=162

mean=162

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20

=8.1 ans