Management Short Question | Gkseries

Question

Which one of the following requires additional information to calculate coefficient of correlation between two variables when the data are collected on ratio scale ?

A Square root of the coefficient of determination
B Geometric mean of the two regression coefficients relating to two variables x and y
C Covariance divided by the product of standard deviations of variables x and y
D Reciprocal of the product of the standard deviations of two variables

Answer & Explanation

Answer: Reciprocal of the product of the standard deviations of two variables

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