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If for somex in R, the frequency distrib...

If for some`x in R`, the frequency distribution of the marks obtained by 20 students in a test is:
Then the mean of the marks is:

A

`2.5`

B

`2.8`

C

`3.0`

D

`3.2`

Text Solution

Verified by Experts

The correct Answer is:
B
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