| Source | degree of freedom ¢df) | Sum of Squares ¢SS) | Mean Squre (MS) |
|---|---|---|---|
| Groups | I – 1 |  |
MS(R) = SS(R)/(I – 1) |
| Error | N – I |  |
MS(E) = SS(E)/(N – I) |
| Total | N – 1 |  |
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