Medical Statistics V: t-tests

"Why would you do a t-test on these data and what is it?" asked the interviewer in a national selection interview. "Errrrrrr...." replied the trainee surgeon who was beginning to think they wished they had watched the video podcast on hypothesis testing using this test. Oh well - he thought, I can always try again next year....
In the third podcast on hypothesis testing, Rob Radcliffe tells you all about t-test, what t is, how you use the t-test and what it actually means. This podcast is the clearest explanation of the most commonly used test in medical statistics you will find anywhere. Watch it and know all you will ever need to know