All of the Following Are Conditions That Will Hold at the Estimated

Multiple Choice

All of the following are conditions that will hold at the estimated coefficients for the simple linear regression line (of Y on X) except for what?

A) Sum of the residuals equals zero.
B) Covariance between the residuals and X is zero.
C) Average of the residuals equals zero.
D) Covariance between Y and the residuals is zero.