Question

if the mean of the following data is 15 find the value of P. x=5,10,15,20,25 f=6,p,6,10,5

Answer 1

N=27+p,Fixi=450+10p
Mean=€fixi/N
15=450+10P/27+P
15(27+p)=450+10p
405+15p=450+10p
15p-10p=450-405
5p=45
p=5

Answer 2

Hi there!

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What is Mean?

The average of a given set of numbers is called the Arithmetic mean, or simply the mean, of the given numbers.

Mean = $\frac{Sum \: of \: observations }{Number \: of \: observations }$

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For your solution to the given question refer to the attachment.

Thanks for the question!

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