A random survey of seventh- and eighth-grade students was conducted to find out how many hours is spent doing homework each night. Of the two sets of data, which has the greater median? A double box plot showing Hours of Homework with seventh graders on the top and eighth graders on the bottom. For the seventh graders, the left end mark is at 2 point 5, the left edge of the box is at 3, the line inside the box is at 3 point 5, the right edge of the box is at 4, and the right end mark is at 4 point 5. For the eighth graders, the left end mark is at 3, the left edge of the box is at 3 point 5, the line inside the box is at 4, the right edge of the box is at 4 point 5, and the right end mark is at 5. 00:00 Seventh graders 00:00 Eighth graders 00:00