Hi, for this model,

$\displaystyle y_{ijkl} = \mu + T_i + B_j + S_k + TB_{ij} + e_{ijkl},$ $\displaystyle i = 1,2,3; j = 1..3; k = 1..2; l=1..5 $

am i supposed to have 1 + 3 + 3 + 2 + 5 = 14 normal equations?

or am i just meant to have 1 + 3 + 3 + 2 = 9 normal equations?