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If Sigma(x(i)-2)=10,Sigma(y(i)-5)=20,Sig...

If `Sigma(x_(i)-2)=10,Sigma(y_(i)-5)=20,Sigmax_(i)y_(i)=148andn=5`, find cov `(x,y)`

A

`-6.4`

B

`6.4`

C

`-4.8`

D

`-3.2`

Text Solution

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The correct Answer is:
A
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