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....
Khan Academy
Khan Academy: Contingency Table Chi Square Test
A video about contingency Table Chi-Square Test.
Khan Academy
Khan Academy: Chi Square Distribution Introduction
An introduction to Chi-Square Distribution.
Bozeman Science
Bozeman Science: Chi Squared Test
Paul Andersen shows you how to calculate the ch-squared value to test your null hypothesis. He explains the importance of the critical value and defines the degrees of freedom. He also leaves you with a problem related to the animal...