Which Is NOT True About the Coefficient of Determination

question 5

Multiple Choice

Which is NOT true about the coefficient of determination?

• A) As you add more variables,the R-square generally rises.
• B) As you add more variables,the adjusted R-square can fall.
• C) If the R-square is above 50%,the regression is considered significant.
• D) The R-square gives the percent of the variation in the dependent variable that is explained by the independent variables.
• E) The higher is the R-square,the better is the fit.

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Definitions:

Substrate

A surface or material on or from which an organism lives, grows, or obtains its nourishment.

Phosphate Group

A functional group consisting of a phosphorus atom bonded to four oxygen atoms, important in energy transfer.

ATP

Adenosine Triphosphate, an organic compound that provides energy to drive many processes in living cells, including muscle contraction, nerve impulse propagation, and chemical synthesis.

Energy Metabolism

The process by which living organisms produce energy, through the conversion of food into usable chemical energy.