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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Definitions:

Organic Product

A compound or substance that has been synthesized from organic (carbon-containing) materials.

Regio-

A prefix in chemistry indicating the region or position in a molecule where a certain reaction takes place or where a particular substituent is located.

Stereochemical

Pertains to the study of the three-dimensional arrangement of atoms within molecules and the impact of this arrangement on the physical and chemical properties of the molecules.

Regio-

A prefix indicating the region or position in a molecule where a reaction or specific structural change occurs.