The Number of Degrees of Freedom Associated with the Standard

Multiple Choice

The number of degrees of freedom associated with the standard error of estimate is

A) n-1 since only the slope is estimated from sample data.
B) n-1 since only the intercept is estimated from sample data.
C) n-1 since only the predicted value of y is estimated from sample data.
D) n-2 since the slope and the intercept are estimated from sample data.