Q. 34.4( 366 Votes )

The following distribution shows the daily pocket allowance of children of a locality
The mean pocket allowance is Rs 18. Find the missing frequency f

Answer :

The above given data can be represented in the form of table as below:

We can find the value of f as follows:



18


18( 44 + f ) = 752 + 20f


792 + 18f = 752 + 20f


2f = 40


f = 20

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