watch a ted talk and answer 5 questions

First, go to the video Ted Talk: The Best Stats You Have Ever Seen to watch the presentation of statistics that contradict some common beliefs.
After watching the video, create an initial post that considers the following:
- What exactly are the myths which are being debunked in this lecture? Name one and comment on what was originally believed and what Professor Rosling claims is true.
- What type of statistical graphs and measures are used in this lecture? Name one and describe exactly how it was used.
- If we were to focus just on the United States, how much of a relationship do you think there is between the median income of a state and the median life expectancy of its citizens?
- According to the video, is the gap between rich and poor countries increasing, decreasing or does it remain unchanged? If we were to focus just on the US, do you think the gap between rich and poor is changing? Why or why not?

What are your reactions to the information discussed in the video? Is it what you expected?