Here is the updated presentation for 2009, with more information on Excel and a worked set of examples with hummingbirds, to tie in with the natural selection topics.
And Geoff Browne kindly gave permission to upload his t-test powerpoint to slideshare:
Excellent Handbook of Biological Statistics from John MacDonald
Sumanas statistics animations
Field Studies Council stats page, including the t-test
Open Door Website stats page and help with graphs and tables
Gapminder awesome human population stats tool
And this enlightening talk from Han Rosling: No More Boring Data!
Using your calculator:
– Using the TI GDC (from Click4Biology)
– Using the Casio pdf download (from keymath.com)