Which of the Following Is Not an Indication of Potential

Multiple Choice

Which of the following is not an indication of potential multicollinearity problems?

A) The sign on the standard error of the estimate is positive.
B) A sign on a regression slope coefficient is negative when the sign on the correlation coefficient was positive.
C) The standard error of the estimate increases when a variable enters the model in the presence of other independent variables.
D) An independent variable goes from being statistically significant to being insignificant when a new variable is added to the model.