Df Sum of Sq  Mean Sq  F Value        Pr(F) 
        A  1  76.56250 76.56250 38.28125 0.0001031683
        B  2  90.74423 45.37212 22.68606 0.0001921075
      A:B  2  71.63077 35.81538 17.90769 0.0004953855
Residuals 10  20.00000  2.00000                      
Single term deletions

Model:
y ~ A * B
       Df Sum of Sq      RSS  F Value        Pr(F) 
<none>              20.00000                      
     A  1  61.71429 81.71429 30.85714 0.0002424308
     B  2  77.16923 97.16923 19.29231 0.0003694079
   A:B  2  71.63077 91.63077 17.90769 0.0004953855
    A B pred        se 
1.1 1 1   20 0.8164966
1.2 1 2   25 1.0000000
1.3 1 3   24 0.8164966
2.1 2 1   26 1.0000000
2.2 2 2   23 0.8164966
2.3 2 3   32 0.8164966