For the dataset {10,12,12,15,20,25,25,25,30}\{10, 12, 12, 15, 20, 25, 25, 25, 30\}{10,12,12,15,20,25,25,25,30}, how many modes are there and what are they?
One mode: 252525
Two modes: 121212 and 252525
Three modes: 10,25,3010, 25, 3010,25,30
No mode exists