Question: 8.21. (Sec. 8.9) Let Yij (a p-component vector) be distributed according to N(ll-i!, l:)' where ooEYij = Il-ij = Il- + Ai + Vj +

8.21. (Sec. 8.9) Let Yij (a p-component vector) be distributed according to N(ll-i!, l:)'

where ooEYij = Il-ij = Il- + Ai + Vj + "Yij' L:iAi = 0 = L:jVj = L:i"Yij = '"5.. j "Yij; the "Yij are the interactions. If m observations are made on each Yij (say Y,)I"'" Yi,m)'

how do you test the hypothesis Ai = 0, i = 1, ... , r~ How do you test the hypothesis "Yij= 0, I = 1, ... ,r, j= 1, ... ,c?

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