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(a) Draw a table based on the data presented in the double bar graph.
(b) What conclusion do you draw, whether the new technique of teaching should be continued?
7. The performance of a student in the 1st and 2nd term is given. Draw a double bar graph choosing
an appropriate scale and answer the following:

Subject English Hindi Maths Science Social Science

1st term 67 72 88 80 70
2nd term 70 65 95 85 75

(a) In which subject has the child improved his performance the most?
(b) In which subject is the improvement the least?
(c) Has the performance gone down in any subject?

Artistic and Aesthetic Consideration

So far, we have learnt how to draw pictographs and bar graphs. Though these two types of graphs
mentioned here are informative but they lack artistic and visual imagination. But when these
two components — artistic and visual imagination are combined, such graphs become attention-
seeking and visually pleasing.

Infographics are therefore graphical visual representations of information, data or knowledge
intended to present quick and clear information. It helps in improving cognitive skills of teaching
and learning. Business houses use infographics for communication.

• Infographics simplify heavy data.
• They combine images, texts, diagrams, charts and videos.
• It takes minimal use of text in favour of visuals.

Let us consider an example.
Here is a table of the tallest mountains on each continent.

Let us make a bar graph and an infographic for the data of the table.

Continent Asia South North Africa Europe Antarctica Australia
America America

Tallest Everest Aconcagua Denali Kilimanjaro Elbrus Vinson Kosciuszko
Mountain Massif

Height 8848 m 6962 m 6194 m 5895 m 5642 m 4892 m 2228 m

127 Data Handling and Presentation