1. Presenting Data Visually Mass Academy of Math and Science Worcester, Mass. http://www.massacademy.org/

2. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Purpose of Visuals b To inform or persuade b Makes complex data clear b To emphasize b To present data out of context b To involve an audience b To counteract distracting environment b Makes data more memorable

3. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Types of Visuals b Numerical Tables b Bar Graphs b Line Graphs b Pie Charts

4. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Numerical Tables Business district stock values

5. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Bar Graphs Compare Data

6. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Line Graphs Show Changes Over Time

7. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Pie charts show percentages

8. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Preparing Visuals b Purpose What should audience see or think?What should audience see or think? b Emphasis Specific values?Specific values? Comparisons?Comparisons? Patterns?Patterns? b Audience Tech background?Tech background?

9. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Design Reminder b All tables should have titles at the top b Figures are labeled at the bottom b All axes should be labeled proportionately b Use units! b Keep color scheme simple and high contrast b Use space well; avoid overcrowding

10. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Good Design At Work

11. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é What Happened Here?

12. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é What Happened Here?

13. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é What Happened Here?

14. 18-Apr-05http://www.massacademy.org/~kgagne K. Gagn é Practice Design a chart to convey the following: b 70 freshmen prefer Snickers for Halloween b 25 freshmen prefer Milky Ways b 5 freshmen are undecided b 30 seniors prefer Reese’s Pieces b 70 seniors prefer Milky Ways