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 (,A,B,C,D) has the highest center of distribution. The data for school (A,B,C,D) has the lowest center of distribution.