what do you mean by graphic representation

Dear Student,
Graphs represent the data with the help of vertical bars. They are one-dimensional diagrams in the sense, that it is only the height of the bars that matters and not the width. The height of the bars in the diagram differs according to the values of different variables. Higher value variables are represented by longer bars. However, it should be noted that the width of the bars remains constant. The bar diagrams can be further classified into the following three categories. i. Simple Bar Diagram ii. Multiple Bar Diagram iii. Component Bar Diagram
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