Visual Presentation of Data, Review

  • What percentage of people have some form of colorblindness?
  • What is the difference between a histogram and a bar graph?
  • Which way of presenting data should generally be avoided?
  • Should you use 3-D effects on charts and graphs?


  • What are the risks of using an existing chart you find on the Internet?
  • Are the data in a chart subject to copyright protections?
  • Why shouldn’t color be the only way you communicate meaning on a visual aid?