Comparing least-squares regression to high-low estimation:

A. Least-squares regression is preferred to high-low estimation because, with this method, the computer can make all the decisions after data entry

B. Least-squares regression provides superior estimates to high-low estimation when using unreliable data.

C. Least-squares regression provides a means of estimating how well the data fit the model.

D. All of the above

E. None of the answers provided