Q. 42 If The Coefficient Of Correlation Between Two Variables Is 0.6, Number Of Observations Being 25. Find The Limit Within Which The Correlation Lies With Another Sample
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1
Answer:
Correct option is C)
Corr(X,Y)=0.6
∴Corr(U,V)=
Var(U)Var(V)
Corr(2−3X,4Y+1)
=
−3
2
4
2
Corr(−3X,4y)
=
12
−12Corr(X,Y)
=−0.6
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