The following bar graph shows the number of students (in hundreds) who have opted for different courses A, B, C and D in 3 years in a college. Study the graph and answer the question.In the year 2007, the average number of students across the four courses is (in hundreds):

The following bar graph shows the number of students (in hundreds) who

1.	The following bar graph shows the number of students (in hundreds) who have opted for different courses A, B, C and D in 3 years in a college. Study the graph and answer the question.In the year 2007, the average number of students across the four courses is (in hundreds):
A.	2.5
B.	1.5
C.	2.2
D.	2.7
Answer» B. 1.5