PART IPRACTICAL RULES FOR GRAPHIC PRESENTATIONThe functions of charts arc manifold. However, important functions are: (i) to intrigue the imagination of the reader to the point where a desire will be created, first, to read the publication, and second, to go to the tabular data for more complete information; and (2) to emphasize significant relationships because of their importance, since oftentimes these important relations are lost in the multitude of figures in the table. The first function as stated above assumes that, in general, the reader, when in doubt, looks at the charts before deciding whether or not to read the publication, and as such, charts are used by the reader, rightly or wrongly, in order to obtain a quick summary of the article. The second function assumes that "a picture is worth a thousand words" (as the old Chinese saying goes). These functions should be kept in mind when deciding what data should be charted.Although it is always desirable, and theoreticaTable of Contents Foreword vii; Part I-Practical Rules for Graphic Presentation 3; Section; I Graphic Representation of Statistical-Business Data 6; II Graphic Representation of Time Series or Quantitative Classification by Means of Absolute Simple Vertical-Bar Charts 10; III Graphic Representation of Qualitative Classification at a Particular Point of Time, or for a Given Period of Time, by Means of Absolute Simple Horizontal-Bar Charts 14; IV Graphic Representation of Time Series or Quantitative Classification; by Means of Component Vertical-Bar Charts 19; V Graphic Representation of Qualitative Classifications by Means of Component Horizontal-Bar Charts24; VI Graphic Representation of Quantitative or Qualitative Classification by Means of Component Pie-Diagram Charts 30; VII Graphic Representation of Time Series by Means of Line-Diagram; Charts 34; VIII Graphic Representation of Qualitative or Quantitat