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Question 9 (Total 15 marks) a) (4 marks) Two regression models are fitted to the same data. Model I: Y = Bo + BX, +

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Question 9 (Total 15 marks) a) (4 marks) Two regression models are fitted to the same data. Model I: Y = Bo + BX, + 8 Model II: Y = Bo + BX, + B2X2 + 8 SSE for Model II is less than or equal to SSE for Model I. Never | Depends | Always MSE for Model II is less than or equal to MSE for Model I Never | Depends | Always

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