Question

The performance of students in 1st term and 2nd term is as given below. Draw a double bar graph choosing appropriate scale and answer the following:

Subject:	English	Hindi	Maths	Science	S.Science
1st term:	67	72	88	81	73
2nd term:	70	65	95	85	75

(i) In which subject, has the children improved their performance the most?

(ii) Has the performance gone down in any subject?

Answer 1

Steps of constructing bar graph:

1. Mark the horizontal axis OX as Subject and the vertical axis is OY as Marks.

2. Along the horizontal axis OX, choose bars of uniform (equal) width, with a uniform gap between them.

3. Choose a suitable scale to determine the heights of the bars, according to the space available for the graph. Here, we choose 1 big division to represent 10 marks.

(i) In Maths, the students showed their greatest improvement.

(ii) The students performed worst in Hindi