These screencasts demonstrate how to calculate various statistics tests by hand. They were developed for the module PSY1205 Introduction to Statistics - a level 1 module in the School of Psychology at the University of Exeter. The course handbook was primarily written by others so I am unable to upload it here as present. However, each question is clearly visible in the screencast. Each screencast covers a particular question that students were set. Questions were devised by Prof. Andy Wills.
This video shows you how to calculate a Chi-square test when we have 1 variable (in this case, brand of ketchup).
Download Video (Problem C1) (17.8MB) | Duration 12:38
This video shows you how to calculate a Chi-square test when we have 2 variables.
Download Video (Problem C2) (22.1MB) | Duration 15:51