Q. 194.3( 9 Votes )

# The following distribution shows the daily pocket allowance given to the children of a multistory building. The average pocket allowance is Rs. 18.00. Find out the missing frequency.

Answer :

Given, Mean = 18

Let missing frequency be V

Mean =

18 =

792 + 18V = 752 + 20V

792 – 752 = 20V – 18V

40 = 2V

V = 20

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