1. Calculate measures of central tendency and spread for coffee and tea.
2. Create histograms and box-plots for both coffee and tea, displaying the number of years in each interval of consumption in L/person).
3. Describe the distribution type for each based on the above graphs.
4. Create scatter plots for Coffee vs. Year and Tea vs. Year and Coffee vs. Tea.

1. Describe the correlation type for each of the above 3 scatter plots.