ANOVA 3: Hypothesis test with F-statistic

Khan Academy, 2012
Level: beginner
Topic: methodology
Format: Tutorial
Duration: 00:10:03
Link: https://www.youtube.com/watch?v=Xg8_iSkJpAE

The sum of squares and degree of freedom calculation from the previous videos are put into a ratio to calculate the F Value, on whose basis the null hypothesis is confirmed or rejected. If variance is higher between samples than within the null hypothesis is more likely to be rejected. The results of a numerical example are interpreted more abstractly and then tested with regards to a confidence interval and the corresponding F table.


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