What is a subdivided bar graph and a percentage bar graph?
(2 marks)
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Solution
A sub-divided or component bar chart is used to represent data in which the total magnitude is divided into different or components.
In this diagram, first we make simple bars for each class taking the total magnitude in that class and then divide these simple bars into parts in the ratio of various components. (1 mark)
A bargraph which is used to represent statistical data of various observations and when this statistical data is in the form of percentages, then the bar graph is known as the percentage bar graph. Here height of bars are same. (1 mark)