If the Coefficient of Determination Is 0

question 44

Multiple Choice

If the coefficient of determination is 0.975, then what may be said about the slope of the regression line?

• A) It must be positive.
• B) It must be negative.
• C) It could be either positive or negative.

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Definitions:

Cohen's D

Estimate of the magnitude of the difference between the means of two groups measured in standard deviation units.

Cohen's D

An indicator of the magnitude of difference, displaying the standardized deviation between two averages.

Cohen's D

A measure of the size of an effect for a hypothesis test; it is the difference between two means divided by the standard deviation of the data.

Cohen's D

A statistic used to quantify the difference between two group means relative to the standard deviation of the sample.