Question

Number of children in six different classes are given below. Represent the data on a
bar graph
Class
Sixth Seventh Eighth Ninth Tenth
Number of Children 135 120 95 100 90 80
(a) How would you choose a scale?
(b) Answer the following questions:
(i) Which class has the maximum number of children? And the minimum?
(1) Find the ratio of students of class sixth to the students of class eight​

Answer 1

Step-by-step explanation:

As I had seen, a class of 100+ students being easily taught by the teachers. With basic needs available like a good blackboard , chalk , duster, proper lighting and aeration , class size of maximum 30 is appropriate for effective teaching.