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Meaning of ANOVA Sum of Squares Values

"Null Hypothesis is false"

Summary Table for ANOVA
Source DF SS MS F
Between Groups 2 20952.4 10476.2 33.743
Within Groups 12 3725.6 310.4666667
Total 14 24678.0

Considerable detail and description is given in the page "Null Hypothesis is true". Click here to open that page for comparison.

The information is not repeated on this page because the calculations are the same regardless of whether the null hypothesis is true or false.

After all, when we do the experiment we don't know the state of the null hypothesis.

Calculation of the Total Sum of Squares

Calculation of the Within Groups Sum of Squares

Calculation of the Between Groups Sum of Squares

©2004 - 2006 by Burrton Woodruff. All rights reserved. Modified 9/24/06