Question

. In the mean of the following data is 20.2. Find the value of P
X 10 15 20 25 30
Y 6 8 P 10 6​

Answer 1

Answer:

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Step-by-step explanation:

Given,

f)=6,8,p,10,6

x)=10,15,20,25,30

also mean=20.2

so,

∑fixi/∑fi=20.2

now,

∑fixi=(10*6)+(15*8)+(20*p)+(25*10+)(30*6)

=610+20p

now ∑fi=6+8+p+10+6

=30+p

∑fixi/∑fi=20.2

610+20p/30+p=20.2

20.2(30+p)=610+20p

606+20.2p=610+20p

20.2p-20p=610-606

0.2p=4

p=4/0.2

p=20

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