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Find the approximate value of mean devia...

Find the approximate value of mean deviation about the mode of the following data.
{:("Class Interval",f),(" "0-10,4),(" "10-20,6),(" "20-30,3),(" "30-40,9),(" "40-50,5):}

A

11.5

B

12.5

C

13.5

D

14.5

Text Solution

Verified by Experts

The correct Answer is:
`B`
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