Question: a) Show that = 0 n 1 b) Show that = (i.e., mean of predicted values is equal to sample mean of Yi )

a) Show that = 0 n 1 b) Show that = (i.e.,

a) Show that = 0 n 1 b) Show that = (i.e., mean of predicted values is equal to sample mean of Yi ) n c) Show that TSS = ESS+RSS

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