Study the given diagram and answer the question that follow.
A, B and C are different cities and the given data is of the number of accidents that took place in the respective years 2000, 2005, 2010 and 2015.
Which of the following statement is correct?
I. The average number of accidents in city B is 450.
II. The average number of accidents in city A is 520.
1
Only I
2
Both I and II
3
Only II
4
Neither I nor II