Presenting Data Visually Mass Academy of Math and

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

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 18 -Apr-05 http: //www. massacademy. org/~kg agne

Types of Visuals b Numerical Tables b Bar Graphs b Line Graphs b Pie Charts 18 -Apr-05 http: //www. massacademy. org/~kg agne

Numerical Tables Business district stock values 18 -Apr-05 http: //www. massacademy. org/~kg agne

Bar Graphs Compare Data 18 -Apr-05 http: //www. massacademy. org/~kg agne

Line Graphs Show Changes Over Time 18 -Apr-05 http: //www. massacademy. org/~kg agne

Pie charts show percentages 18 -Apr-05 http: //www. massacademy. org/~kg agne

Preparing Visuals b Purpose • What should audience see or think? b Emphasis • Specific values? • Comparisons? • Patterns? b Audience • Tech background? 18 -Apr-05 http: //www. massacademy. org/~kg agne

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 18 -Apr-05 http: //www. massacademy. org/~kg agne

Good Design At Work 18 -Apr-05 http: //www. massacademy. org/~kg agne

What Happened Here? 18 -Apr-05 http: //www. massacademy. org/~kg agne

What Happened Here? 18 -Apr-05 http: //www. massacademy. org/~kg agne

What Happened Here? 18 -Apr-05 http: //www. massacademy. org/~kg agne

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 18 -Apr-05 http: //www. massacademy. org/~kg agne