You can use the databases and websites below to find background research on your topic as well as data. The first 3 databases are the top picks for Mathematical information, but data can be found in many places. There are many databases not listed that you have access to by going HERE.
If you are working from home, you will need a password to access databases. Those can be found HERE.
This is a short list to get you started. Remember when looking for data, choose your website wisely. Is it a valid site? Is the author reliable?