Sam kept track of the number of problems he was assigned for his math homework on the box plot. A number line goes from 0 to 28. The whiskers range from 4 to 26, and the box ranges from 11 to 26. A line divides the box at 15. Which statement must be true according to the box plot? The data is symmetric and shows that half of the assignments contained 15 problems or fewer. The data is symmetric and shows that the majority of the assignments had 19 problems or more. The data is skewed and shows that half of the assignments contained 15 problems or fewer. The data is skewed and shows that the majority of the assignments had 19 problems or more.