The mean of the following data is 8.

Question:

The mean of the following data is 8.

The value of p is
(a) 23
(b) 24
(c) 25
(d) 21

 

Solution:

(c) 25

Now,

Mean $=\frac{303+9 p}{41+p}$

Given :

Mean $=8$

$\therefore \frac{303+9 p}{41+p}=8$

$\Rightarrow 303+9 p=328+8 p$

$\Rightarrow p=25$

 

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