Within groups sums of squares

The within groups sums of squares in an ANOVA is the squared distance from the group mean.

Group 1Group 2Group 3051015

Partitioning the within group sums of squares

Calculcation

Within groups sums of squares = -1.52 + -0.52 + 0.52 + 1.52 + -1.52 + -0.52 + 0.52 + 1.52 + -1.52 + -0.52 + 0.52 + 1.52 = 15