In a statistics class, students were asked how many siblings they have. Their responses are shown. 2, 3, 1, 3, 5, 3, 3, 3, 6, 3, 5, 0, 3
What is the z-score for the student with two siblings?
A. –0.67
B. –0.13
C. 0.13
D. 0.67