The multiple regression with two predictor variables is computed for a sample of n = 25 participants.What is the value for the degrees of freedom for the unpredicted portion of the Y-score variance,MS_residual? A)2 B)3 C)22 D)23

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Quizplus · Accepted Answer

The degrees of freedom for the unpredicted portion of the Y-score variance in multiple regression with two predictor variables is df = n - k - 1, where n is the sample size and k is the number of predictor variables (excluding the intercept term). In this case, k = 2, so df = 25 - 2 - 1 = 22. Therefore, the best choice is (C).

The Multiple Regression with Two Predictor Variables Is Computed for a Sample