Which data set does this stem-and-leaf plot represent?
15, 24, 28, 36, 45, 75, 76, 77, 80, 86
15, 15, 15, 15, 75, 76, 77, 80, 24, 28, 36, 45, 75, 86
5, 5, 5, 5, 4, 8, 6, 5, 5, 5, 6, 7, 0, 6
15,555, 248, 36, 45, 75,567, 806
