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Correlation Coefficient Of Linear Functions

Let X1, X2, and X3 be random variables with equal variances but with correlation coefficients rho12=0.3, rho13=0.5, and rho23=0.2 Find the correlation coefficient of the linear functions Y=X1+X2 and Z=X2+X3.

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Let X1, X2, and X3 be random variables with equal variances but with correlation coefficients ...

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The solution is comprised of a detailed step by step explanation of how to find the correlation coefficient of linear functions.

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