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The correlation between two random variables, Ri and Rj, is defined as:

p(Ri,Rj) = [...]

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The correlation between two random variables, Ri and Rj, is defined as:

p(Ri,Rj) = [...]
?

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The correlation between two random variables, Ri and Rj, is defined as:

p(Ri,Rj) = [...]

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Subject 7. Covariance and Correlation
ame time. We know that this is the case because both returns are higher in favorable conditions and lower in unfavorable conditions. Had we obtained a negative answer, logic would have told us that we had made an error somewhere. <span>The correlation between two random variables, R i and R j , is defined as: Alternative notations are corr(R i , R j ) and ρ ij . Properties of correlation: Correlation is a number between -1 and

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