In a simple linear regression model,the coefficient of determination not only indicates the strength of the relationship between independent and dependent variable,but also shows whether the relationship is positive or negative.

Question

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The coefficient of determination (R-squared) measures the proportion of variance in the dependent variable that is predictable from the independent variable, but it does not indicate the direction (positive or negative) of the relationship.

In a Simple Linear Regression Model,the Coefficient of Determination Not