Chronology Charts 248

Time Analysis and Time Studies. Chart for Assigning Vacations.

32. Progress Charts 256

Time Studies. Material Control Board. Production Progress Chart. Gantt Charts.

33. Curve Charts 263

One Curve on a Grid. Visual Captions. Historical Labels. Stair Charts. Deviation from Normal.

34. Comparison With Two Curves 275

Cumulative Curves. Causal Relationships. High-Low Curves. Lag.

35. Comparisons With Curves 286

Progressive Average and Moving Average Curves. Normal Trend.

36. Component Parts Shown by Curves 294

Component Parts in Curve Form. Percentage Charts. Band Charts. Use of Brackets.

37. Index Numbers Shown by Curves 301

Comparison of Index Charts with Numerical Value Charts. Multiple Axis Graph.

38. Frequency Charts 310

Frequency Distribution. Bell-Curve Chart. Distribution in a Circle. Optical Illusion.

39. Correlation Charts 320

Relationships Between Variables. Scatter Charts. Standard Deviation. Break-Even Charts.

40. Ogive and Lorenz Charts 331

Probability Paper Charts.

41. Ratio Charts 339

Comparison of Ratio and Arithmetic Scale. Key for Selecting Ratio Scale. Method of Ruling Ratio Paper. Index Numbers Curves. Cumulative Curves.

42. Three-Dimensional Methods 354

Models. Perspective Drawings. Photographs. Isometric Block Diagram. Isometric Protractor. Trilinear Chart.

43. Composite Charts 360

Methods of Combining Various Types of Charts.

44. Suggestions for Making a Chart 367

Helpful Techniques. Sources of Materials. Methods of Lettering. Ink Colors. Crayons. Colored Papers.

45. Standards for Time Series Charts 381

Abstracts from Time Series Charts. A Manual of Design and Construction, 1938, Prepared by Committee on Standards for Graphic Presentation, under Procedure of American Statistical

GRAPHIC PRESENTATION

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