Exercise 9 1 Consider a one way ANOVA with one covariate The model is yi j i xi j ei j, i 1, ,t, j 1, ,Ni Find the BLUE of the contrast t i 1ii Find the variance of the contrast

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Question: Exercise 9.1 Consider a one-way ANOVA with one covariate. The model is yi j = +i+ xi j +ei j, i=1, . . .

Exercise 9.1 Consider a one-way ANOVA with one covariate. The model is yi j = μ +αi+ξ xi j +ei j, i=1, . . . ,t, j =1, . . . ,Ni. Find the BLUE of the contrast Σt i=1λiαi. Find the variance of the contrast.

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