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

  2. Purpose of Visuals • To inform or persuade • Makes complex data clear • To emphasize • To present data out of context • To involve an audience • To counteract distracting environment • Makes data more memorable http://www.massacademy.org/~kgagne K. Gagné

  3. Types of Visuals • Numerical Tables • Bar Graphs • Line Graphs • Pie Charts http://www.massacademy.org/~kgagne K. Gagné

  4. Numerical Tables Business district stock values http://www.massacademy.org/~kgagne K. Gagné

  5. Bar Graphs Compare Data http://www.massacademy.org/~kgagne K. Gagné

  6. Line Graphs Show Changes Over Time http://www.massacademy.org/~kgagne K. Gagné

  7. Pie charts show percentages http://www.massacademy.org/~kgagne K. Gagné

  8. Preparing Visuals • Purpose • What should audience see or think? • Emphasis • Specific values? • Comparisons? • Patterns? • Audience • Tech background? http://www.massacademy.org/~kgagne K. Gagné

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

  10. Good Design At Work http://www.massacademy.org/~kgagne K. Gagné

  11. What Happened Here? http://www.massacademy.org/~kgagne K. Gagné

  12. What Happened Here? http://www.massacademy.org/~kgagne K. Gagné

  13. What Happened Here? http://www.massacademy.org/~kgagne K. Gagné

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