Which of the following statements are true?
A. The true regression line y = B0 + B1x is the line of mean
B. The height of the true regression line y=b0+b1x above any particular x value is the expected value of Y for that value of x.
C. The slope B1 of the true regression line y = B0 + B1x is interpreted as the expected change in Y associated with 1-unit increase in the value of x.
D. The equation sigma^2_(Y multiplied x*) = V(B0 +B1X* + e) states that the amount of variability in the distribution of Y values is the same at each different value of x (homogeneity of variance).
E. All of the above statements are true.