GRAPHICALREPRESENTATION OFDATAHARSH SARAF683ROOM NO: 46B.COM (M)INTRODUCTION:Besides the tabular form, the data may also be presented in some graphic ordiagrammatic form.The transformation of data through visual methods like graphs, diagrams, maps andcharts is called representation of data.The need of representing data graphically:Graphics, such as maps, graphs and diagrams, are used to represent large volume of data.They are necessary: If the information is presented in tabular form or in a descriptive record, it becomesdifficult to draw results. Graphical form makes it possible to easily draw visual impressions of data. The graphic method of the representation of data enhances our understanding. It makes the comparisons easy. Besides, such methods create an imprint on mind for a longer time. It is a time consuming task to draw inferences about whatever is being presented innongraphical form. It presents characteristics in a simplified way. These makes it easy to understand the patterns of population growth, distribution andthe density, sex ratio, agesex composition, occupational structure, etc.TYPES OF DIAGRAMS:Types of DiagramsThe diagrams and the maps is of following types:(i) One-dimensional diagrams such as line graph, poly graph, bar diagram, histogram,age, sex, pyramid, etc.;(ii) Two-dimensional diagram such as pie diagram and rectangular diagram;(iii) Three-dimensional diagrams such as cube and sp ...
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