AFLATOUN social and financial educational programme initiated savings programme among the high school children in Hyderabad district. Mandal wise savings in a month are given in the following table. Find arithmetic mean of school wise savings in each mandal. Also find the arithmetic mean of saving of all schools.

AFLATOUN social and financial educational program intiated savings program among the high school children in Hyderabad district. Mandal wise savings in a month are given in the following table. Find arithmetic mean of school wise savings in each mandal. Also find the arithmetic mean of saving of all schools.

A child friendly bank announces a savings scheme for school children. They will give kiddy banks to children. Children have to keep their savings in it and the bank collects all the money once in a year. To encourage children savings, they give 6% interest if the amount exceeds by ₹10,000, and other wise 5%. Find the interest received by a school if they deposit is ₹9000 for one year.

The following distribution gives the state-wise teachers, student ratio in higher secondary schools of India. Find the mode and mean of this data. Interpet the two measures.

The following distribution gives the state-wise , teacher -student ratio in higher secondary schools of India . Find the mode and mean of this data . Interpret the two measures . {:("Number of students","Number of states"),(15-20,3),(20-25,8),(25-30,9),(30-35,10),(35-40,3),(40-45,0),(45-50,0),(50-55,2):}