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If the Fitted Regression Is Y = 3

Question 46

Multiple Choice

If the fitted regression is Y = 3.5 + 2.1X (R2 = .25, n = 25) , it is incorrect to conclude that:


A) Y increases 2.1 percent for a 1 percent increase in X.
B) the estimated regression line crosses the Y axis at 3.5.
C) the sample correlation coefficient must be positive.
D) the value of the sample correlation coefficient is 0.50.

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