In Simple Linear Regression, If the Slope Is Found to Be

In simple linear regression, if the slope is found to be -0.002,

A) the value of Y is equal to -.002 when X is 0.
B) the value of Y is equal to -.002 when X is 1.
C) the value of Y will decrease by 0.002 units when X increases by 1 unit.
D) there is a negative, but very weak relationship between X and Y.