Question: Can you solve this one? Consider a randomised complete block design with statistical model yij = N + Tit Bj teij, i E {1, .

Can you solve this one?

Consider a randomised complete block design with statistical model yij = N + Tit Bj teij, i E {1, . .., a}, j e {1,. .., b}, with Ti Bi = 0 i=1 where eij ~ N(0, 62) and independent. 4 (b) Showing and justifying each step, derive the normal equations and obtain the least squares estimates p = y.' Ti = yi. - y., Bi = y.j - y.. where y = - ab Lyij b yi. = yij i= 1 [4 marks] (c) Showing and justifying each step, find cov(7, B;) [3 marks]

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