If you compare the medians of each data set, who spends more time online? Two dot plots show the number of minutes online for seventh and eighth graders. The dot plot for seventh graders has dots as follows: 2 above 30, 4 above 60, 7 above 90, 4 above 120, 2 above 150, and 1 above 80. The dot plot for eighth graders has dots as follows: 1 above 30, 2 above 60, 3 above 90, 8 above 120, 4 above 150, and 2 above 180.