hich preattentive attribute is used to differentiate Group 4 from the other groups? This figure shows the number of Business Analysis Students by age range in overlapping colored bars. Dark purple indicates male students and light purple indicates female. The 17-22 age range shows approximately 30 male students and 65 female students. The 23-33 age range shows approximately 10 male students and 30 female students. The 34-50 age range shows approximately 10 male students and 30 female students. In the 51 and older age range there are no male students and 10 female. a. Length b. Width c. High data-ink ratio d. Color