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Suppose that a one-way analysis of variance involves four treatments but that a different number of observations (e.g., ni) has been taken under each treatment.
Suppose that a one-way analysis of variance involves four treatments but that a different number of observations (e.g., ni) has been taken under each treatment. Assuming that n1 = 3, n2 = 2, n3 = 4, and n4 = 3, write down the y vector and X matrix for analyzing these data as a multiple regression model. Are any complications introduced by the unbalanced nature of these data
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