The variance of X is 81, the variance of Y is 100, and the covariance between X and Y is 64. What is r_XY? A) .40 B) .56 C) .64 D) .89

Name: The variance of X is 81, the variance of Y is 100, and the covariance between X and Y is 64. What is r XY ? A) .40 B) .56 C) .64 D) .89
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The Answer of The variance of X is 81, the variance of Y is 100, and the covariance between X and Y is 64. What is r_XY? A) .40 B) .56 C) .64 D) .89

The Variance of X Is 81, the Variance of Y