What Does a Positive Linear Relationship Between X and Y

Multiple Choice

What does a positive linear relationship between x and y in a simple regression imply?

A) Increases in the independent variable are usually accompanied by increases in the regressor
B) The relationship between x and y cannot be explained by a straight line
C) Decreases in the independent variable is usually accompanied by increases in the regressors
D) Increases in the regressor are usually accompanied by increases in the dependent variable