Let XXX and YYY be random variables with correlation ρ=0.8\rho = 0.8ρ=0.8. What can we conclude?
XXX and YYY are independent.
XXX and YYY are perfectly negatively correlated.
XXX and YYY have a strong positive relationship.
Var(X)=Var(Y)Var(X) = Var(Y)Var(X)=Var(Y).