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2. If each block only contains two observations, then we can use a Balanced Incomplete block design (BIBD) to estimate 'a' treatment effects. (a) How
2. If each block only contains two observations, then we can use a Balanced Incomplete block design (BIBD) to estimate 'a' treatment effects.
(a) How many blocks will we need to estimate the parameters for 'a' treatment with 'a' levels?
(b) Prove that the adjusted treatment effects are a function of the data yij only through the dj which are the differences between the two observations in block j. In other words, if I know the differences then I can estimate the treatment effects.
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