Teacher surveyed a random sample of middle school students. The number of pets owned by each student was recorded in the data are presented in the dot plot shown

below.

1 2 2 1 0 3 1 1 2 1
3 0 1 2 1 1 1 0 3 2

Based on the data presented in the dot plot, it appears that most middle school students in the sample own either 0, 1, 2, or 3 pets. The majority of students own 1 pet, followed by 2 pets. The least common number of pets owned by students in the sample is 0 or 3.