Degrees of Freedom in Chi-Square Tests

A visual explanation for Students on Degrees of Freedom and the Chi-Squared test.

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Degrees of freedom are one of the most confusing concepts in statistics — but they don't have to be. In this video, Aaron Reedy uses an animated chi-square distribution to show exactly how degrees of freedom affect your statistical test results in a Chi-Squared Goodness of Fit test.

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 Interested in a bit more?

This video explores Chi-Squared Goodness of Fit on a deeper level.

Explore the interactive analysis yourself.

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