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The formula to find mean by direct meth...

The formula to find mean by direct method is ,

A

`A+overset-d`

B

`(sumf_id_i)/(sumf_i)`

C

`(sumf_id_i)/(sumd_i)`

D

`(sumf_ix_i)/(sumf_i)`

Text Solution

Verified by Experts

The correct Answer is:
D
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