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Suppose we developed the following least squares regression equation: Y = 3.5 + 2.1X. Which of the following statements are correct? A. The dependent variable

Suppose we developed the following least squares regression equation: Y = 3.5 + 2.1X. Which of the following statements are correct?

A. The dependent variable increases 2.1 for an increase of 1 in X.

B. The regression line crosses the Y-axis at 3.5.

C. If X = 5, then Y = 14.

D. All of the above.

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