For a linear regression calculated for a sample of n = 20 pairs of X and Y values,what is the value for degrees of freedom for the predicted portion of the Y-score variance,MS_regression? A)1 B)2 C)18 D)19

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Quizplus · Accepted Answer

The degrees of freedom for the predicted portion of the Y-score variance in a simple linear regression is always 1, because it is calculated based on the regression line itself, which is defined by two parameters (the slope and the intercept).

For a Linear Regression Calculated for a Sample of N