The box plot below represents the number of absences, per student, over a semester by a group of seniors at Green Hill High School. Using the box plot above, which of the following are true regarding the data set? I. The interquartile range is 10 days. II. The median is 2 days. III. About 50 percent of the seniors missed from 1 day to 5 days over the given semester. IV. About 50 percent of the seniors missed from 5 days to 10 days over the given semester. A. II and IV B. I and III C. II and III D. I and II