You are most likely going to be working with governmental statistics. This will include census data such as the datasets found here:
I believe you will be looking more at health factors across different demographics e.g. obesity amongst differing age groups, gender and nationality. Think regression analysis also.
Recalling what you learned about comparison analysis would be ideal.
Sofia recommends the following next steps:
- Review your stats/econometric text books (Analysis of Economic Data by Gary Koop)