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://gasbone.herston.uq.edu.au/teach/stats/stats_02.html Why use statistics – an overview of different tests etc

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.minitab.com/ the home of Minitab 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