Q. 115.0( 1 Vote )

The mean of the following frequency distribution is 8. Find the value of p.

Answer :

First draw the table as shown below;




Given mean = 8


8 =


8(41 + p) = 303 + 9p


328 + 8p = 30 + 9p


9p – 8p = 328 – 303


p = 25


So, the value of p = 25


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