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The covariance of stock Walter Inc. and Boo-boo Corp. is 0.50. The standard deviation of Walter is 2 and the standard deviation of Boo-boo is
The covariance of stock Walter Inc. and Boo-boo Corp. is 0.50. The standard deviation of Walter is 2 and the standard deviation of Boo-boo is 1 . What is the correlation coefficient for Walter and Boo-boo? a) 0.50 b) 0.25 c) not enough information to answer d) none of the above
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