Consider the linear model E(Y) = X and Var(Y) =2I. We assume that the n x...

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Consider the linear model E(Y) = X and Var(Y) =2I. We assume that the n x p' matrix X has a column that is all 1's so that the least squares estimate of is unique. True O False Consider the linear model E(Y) = X and Var(Y) =2I. We assume that the n x p' matrix X has a column that is all 1's so that the least squares estimate of is unique. True O False