Links to web sites of  general use;

An online textbook http://davidmlane.com/hyperstat/

http://icp.giss.nasa.gov/education/statistics/  a short tutorial in the basics from NASA – it might be basic to the people at NASA but!!!

http://cne.gmu.edu/modules/dau/stat/dau2_frm.html a big stats tutorial that has some useful stuff within it when you get into the material.

http://www.SPSS.com/ the home of SPSS software (you can download a time limited version of the software).

http://www.statsoftinc.com/textbook/stathome.html an online stats textbook

http://www.anu.edu.au/nceph/surfstat/surfstat-home/surfstat.html a readable online stats text book.

http://www.rss.org.uk/ The Royal Statistical Society