Twelve randomly-chosen students were asked how many times they had missed class during a certain semester, with this result: 2, 1, 5, 1, 1, 3, 4, 3, 1, 1, 5, 18. For this sample, the median is _____.
A. 3
B. 3.5
C. 2
D. 2.5
Twelve randomly-chosen students were asked how many times they had misse
