The dot plots represent household incomes from two subdivisions. Which of the statements are true?

I. Subdivision 1 has a greater mean than subdivision 2.
II. Subdivision 2 has a greater median than subdivision 1.
III. Subdivision 1 has a greater interquartile range than subdivision 2.
IV. Subdivision 2 has a greater standard deviation than subdivision 1.
A.
II and III
B.
III and IV
C.
II and IV
D.
I and III