Slack equals
a. LF - EF.
b. EF - LF.
c. EF - LS.
d. LF - ES.
Question 2
As the goodness of fit for the estimated regression equation increases, the _____.
a. absolute value of the regression equation's slope increases
b. value of the regression equation's y-intercept decreases
c. value of the coefficient of determination increases
d. value of the correlation coefficient increases