Which of the Following Is Not True About the Coefficient

question 48

Multiple Choice

Which of the following is not true about the coefficient of determination, r2?

• A)In order to interpret r2 the linearity condition of the linear regression model must be satisfied.
• B)The coefficient of determination, r2, is a statistic that will give some information about how well the data fits the model, but it should not be the only piece of information taken into consideration when determining how useful a linear model might be.
• C)A hypothesis test should be conducted verify that r2 is large enough to conclude a linear relationship exists.
• D)The coefficient of determination, r2, ranges from 0% to 100% and represents the amount of variability in the response variable (y)explained by the regression line.

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Definitions:

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