Which of the Following Statements About the Visual-Fit Method Is

Which of the following statements about the visual-fit method is (are) true?
I. The method results in the creation of a scatter diagram.
II. The method is not totally objective because of the manner in which the cost line is determined.
III. The method is especially helpful in the determination of outliers.

A) I only.
B) II only.
C) I and II.
D) I and III.
E) I, II, and III.