Agroup of seventh graders and a group of teachers at a local middle school were asked how many siblings they each have. the dot plots below show the results. students teachers when comparing the shape of the two sets of data, what conclusion can someone draw?

a. the students tend to have fewer siblings than the teachers.
b. the teachers tend to have fewer siblings than the students.
c. both the students and the teachers have a wide range of siblings.
d. both sets of data have the same shape.