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Khan Academy
Khan Academy: Statistics: Pearson's Chi Square Test (Goodness of Fit)
Video gives an example of the step by step process of using a Pearson's chi-square test to accept or reject a hypothesized data distribution. [11:48]
Khan Academy
Khan Academy: Statistics: Contingency Table Chi Square Test
Video evaluates a contingency table about whether herbs effect a person contracting the flu by showing how to use a chi-square test. [17:37]
Khan Academy
Khan Academy: Statistics: Chi Square Distribution Introduction
Video gives an introduction to what the chi-square distribution represents. Explains the effect of the degrees of freedom on the distribution and shows a graphical representation of the distribution with different degrees of freedom....