Mathematics · Statistics

Given two variables X and Y with Covariance(X, Y) = 0.40 and Variance(X) = 4. If the correlation coefficient between X and Y is 0.50 and the regression coefficient β YX = 0.10, what is the value of Variance(Y)?

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0.16

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Given two variables X and Y with Covariance(X, Y) = 0.40 and Variance(X) = 4. If the correlation coefficient between X and Y is 0.50 and the regression coefficient &beta; YX = 0.10, what is the value of Variance(Y)?