Graphic Charts in Business: How to Make and Use Them

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Codex Book Company, 1924 - Business - 250 pages
 

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Page 99 - Where possible represent quantities by linear magnitudes, as areas or volumes are more likely to be misinterpreted. " 3. For a curve the vertical scale, whenever practicable, should be so selected that the zero line will appear on the diagram. " 4. If the zero line of the vertical scale will not normally appear on the curve diagram, the zero line should be shown by the use of a horizontal break in the diagram.
Page 100 - If numerical data are not included in the diagram it is desirable to give the data in tabular form accompanying the diagram. 16. All lettering and all figures in a diagram should be placed so as to be easily read from the base as the bottom, or from the right-hand edge of the diagram as the bottom. 17. The title of a diagram should be made as clear and complete as possible. Sub-titles or descriptions should be added if necessary to insure clearness.
Page 99 - ... 8. When curves are drawn on logarithmic co-ordinates, the limiting lines of the diagram should each be at some power of 10 on the logarithmic scale. 9. It is advisable not to show any more co-ordinate lines than necessary to guide the eye in reading the diagram.
Page 100 - The curve lines of a diagram should be sharply distinguished from the ruling. "11. In curves representing a series of observations, it is advisable, whenever possible, to indicate clearly on the diagram all the points representing the separate observations.
Page 99 - ... 3. For a curve, the vertical scale, whenever practicable, should be so selected that the zero line will appear on the diagram. 4. If the zero line of the vertical scale will not normally appear on the curve diagram, the zero line should be shown by the use of a horizontal break in the diagram.
Page 100 - The horizontal scale for curves should usually read from left to right and the vertical scale from bottom to top. 13. Figures for the scale of a diagram should be placed at the left and at the bottom or along the respective axes. 14. It is often desirable to include in the diagram the numerical data or formula represented.
Page 99 - ... 7. When the scale of a diagram refers to dates, and the period represented is not a complete unit, it is better not to emphasize the first and last ordinates, since such a diagram does not represent the beginning or end of time.
Page 231 - On the date indicated by the V, the work was one day behind schedule. Before assigning order A426, one day is allowed to make up for the delay and is indicated by crossed lines. Above the light lines are written whatever numbers and quantities may be necessary to identify the orders. When work stops on any order a jog is placed under the line with an initial to indicate the reason:!™...
Page 232 - In the columns representing months or weeks, the figures indicate the number of operating hours for a group of men or machines; the light lines show the hours of work which have been assigned to that group during each week or month; and the cumulative lines represent the total hours of work ahead of each group. The information for this chart is secured from layout charts which show what orders are ahead of each machine, and from...
Page 221 - Co. work of individual employees compares with a standard of performance/and emphasize any reason of failure. They aid in increasing production and in reducing inventory. They are just as much tools of production as are the machine tools, and should be used just as fully. In the Gantt chart, a division of space represents both an amount of time and an amount of work to be done in that time. Lines drawn horizontally through that space show the relation of the amount of work done to the amount scheduled....

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