3. Watch the following TED talk by Hans Rosling on using data visualizations to describe the spread of HIV: http://www.ted.com/talks/hans rosling the truth about hiv.html a. List the five variables being displayed in the graph in the first half of his presentation (including what is shown with the animation). For each variable, state the type and scale. (5pt) b. After seeing his presentation, explain why it would be misleading to simply say "HIV is very high in Africa?" Be specific. What is one possible negative consequence of charactering the disease in this way? (2pt)