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1. In the design of an experiment we have a treatment T with four levels T1,T2,T3, T4. We are planning to use CRD model and we have only n-20 observations available. Gj, Г, 2, 3, 4:3 How should we allocate the n observations to the four treatments to minimize the average variance of the estimated treatment effects AV = 슷 (var(T1) + var(T2) + var(fs) + var(T4)) UaT T4 Hint: Find the values of r, by minimizing AV subject to the constran.]

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