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If the mean of the following data is 26,...

If the mean of the following data is 26, then find the value of p:

A

`9`

B

`10`

C

`11`

D

`12`

Text Solution

Verified by Experts

The correct Answer is:
B

Now, arithametic mean `"mean" barx=(sumf_(i)x_(i))/(sumf_(i))`
`rArr 26=(890+15p)/(30+p)`
`rArr 780+26p=890+15p`
`rArr 11p=110`
`rArr p=10`
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