We obtained the following regression equation: y(hat) = 3.5 + 2.1x.. Which of the following statements are correct?
a. The dependent variable is predicted to increase by 2.1 for each increase of 1 unit in X.
b. The equation crosses the y-axis at 3.5.
c. If x = 5, then y = 14.
d. if x = 5 then =14
e. (a), (b) and (d) only
Answer: e. (a), (b) and (d) only