different colors or types of lines (dots and dashes in various combinations) to
represent the different variables. Also, be sure to identify the different variables,
using a key, or legend.
5. The stratum chart is like a dynamic pie chart, in that it can be used to show
relative emphasis by sector (e.g., quantity consumed by user class) at any one
6. The bar chart is a widely used chart that can take several different forms. Bar
7. Pictograms are bar charts in which pictures represent amounts — for example,
piles of dollars for income, pictures of cars for automobile production, people in
IV. Instruction Suggestions:
1. The presentation slides for Avery Fitness Center are provided in Appendix 19A. It
2. One point that deserves special emphasis regarding verbal/oral reports is that only
1/3-1/2 of the allotted time for the presentation should be taken up by the formal
3. It is useful to overview some general do’s and don’ts for presentation visuals using
Exhibit 19.2.
4. A useful alternative way of discussing graphical presentation is to show misleading