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Statement of a problem № m41051

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Consider a two-way layout in which the effects of the factors are additive, as in Exercise 19; suppose also that there are Kij observations per cell, where Kij > 0 for i = 1, . . . , I and j = 1, . . . , J. Let vI = Ki + for i = 1, . . . , I, and let wj = K+ j for j = 1, . . . , J . Assume that E(Yijk) = μ + αI + βJ for k = 1, . . . , Kij, i = 1, . . . , j, and j = 1, . . . , J, where = 0, as in Exercise 19. Verify that the least-squares estimators of μ, αI , and βJ are as follows:




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