The table given below shows the number of students studying indifferent streams of a particular college. Find the ratio of the average number of students studying science in the given years to the total strength of students studying in the year 2022. 

7 : 22

Average students in science : total students in year 2022

\(\frac{78+69+83+55+65}{5}\)  :  76 + 65 + 48 + 31

\(\frac{ 350 }{5}\)  :         220

                7            :        22