Robin surveyed 5 students from the choirs of 4 different schools. He asked them how many hours they practice singing each day. School A: 3, 2, 1, 1, 2 School B: 2, 3, 4, 3, 3 School C: 1, 2, 1, 0, 1 School D: 2, 2, 1, 2, 3 The data for school has the highest center of distribution. The data for school has the lowest center of distribution.