The given bar graph shows the number of students of two schools over a period of six years.

In the bar graph, what is the ratio of the average of total students from school B to the average of total students from school A?

370 : 429

Average students of B   :    Average students of A

  \(\frac{550 + 820+600+750+500+480}{6}\)  :    \(\frac{640 + 800 + 500+ 700+900+750 }{6}\)

                           3700                     :                4290

                             370                     :                 429