Large Data Set ResourcesEach of these websites has an abundance of data. I suggest finding something of interest to your students that has a fairly normal distribution. http://www.fedstats.gov/

http://www.data.gov/

http://earthquake.usgs.gov/learn/kml.php

http://activefiremaps.fs.fed.us/

http://data.octo.dc.gov/

http://www.srh.noaa.gov/gis/kml/