In Bivariate Regression, Which Statement Is True Concerning the Coefficient

question 52

Multiple Choice

In bivariate regression, which statement is true concerning the coefficient of determination, r²?

• A) r² varies between 0 and 1.
• B) r² is the square of the simple correlation coefficient obtained by correlating the two variables.
• C) r² signifies the proportion of the total variation in Y accounted for by the variation in X.
• D) All are correct.

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The ability of a country, individual, or firm to produce a greater quantity of a good, product, or service than competitors using the same amount of resources.

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