The box plot represents the number of tickets sold for a school dance. A horizontal line labeled Number of Tickets sold that starts at 7, with tick marks every one unit up to 32. The graph is titled Tickets Sold for A Dance. The box extends from 15 to 21 on the number line. A line in the box is at 19. The lines outside the box end at 8 and 31. Which of the following is the appropriate measure of center for the data, and what is its value? The mean is the best measure of center, and it equals 19. The median is the best measure of center, and it equals 19. The mean is the best measure of center, and it equals 6. The median is the best measure of center, and it equals 6