Questions

1. What types of data can be represented in charts? Make a list and think about the best charts to use in each case.
2. What happens when you try to use a pie chart to show more than five or six data series?
3. What type of chart would be a good alternative to stacked bars?
4. Try using other geographical data (for example, street addresses) to create a diagram.
5. Can you use the US President election data to predict the results for 2020? In principle, it should be possible to forecast the values of the time series. Try it and think about the accuracy of the predictions and the possible explanations.