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Unformatted text preview: ould be neatly drawn and attractive. 2. The measurements of geometrical figures used in diagram should be accurate and proportional. 3. The size of the diagrams should match the size of the paper. 4. Every diagram must have a suitable but short heading. 5. The scale should be mentioned in the diagram. 6. Diagrams should be neatly as well as accurately drawn with the help of drawing instruments. 7. Index must be given for identification so that the reader can easily make out the meaning of the diagram. 8. Footnote must be given at the bottom of the diagram. 9. Economy in cost and energy should be exercised in drawing diagram. 5.5 Types of diagrams: In practice, a very large variety of diagrams are in use and new ones are constantly being added. For the sake of convenience and simplicity, they may be divided under the following heads: 1. One-dimensional diagrams 2. Two-dimensional diagrams 3. Three-dimensional diagrams 4. Pictograms and Cartograms 5.5.1 One-dimensional diagrams: In such diagrams, only one-dimensional measurement, i.e height is used and the width is not considered. These diagrams are in the form of bar or line charts and can be classified as 1. Line Diagram 2. Simple Diagram 3. Multiple Bar Diagram 4. Sub-divided Bar Diagram 5. Percentage Bar Diagram 69 Line Diagram: Line diagram is used in case where there are many items to be shown and there is not much of difference in their values. Such diagram is prepared by drawing a vertical line for each item according to the scale. The distance between lines is kept uniform. Line diagram makes comparison easy, but it is less attractive. Example 1: Show the following data by a line chart: No. of children 0 1 2 3 4 5 Frequency 10 14 9 6 4 2 Line Diagram Frequency 16 14 12 10 8 6 4 2 0 0 1 2 3 4 5 6 No. of Children Simple Bar Diagram: Simple bar diagram can be drawn either on horizontal or vertical base, but bars on horizontal base more common. Bars must be uniform width and intervening space between bars must be equal.While constructing a simple bar diagram, the scale is determined on the basis of the high...
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This note was uploaded on 01/18/2014 for the course BUS 100 taught by Professor Moshiri during the Winter '08 term at UC Riverside.

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