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(c) The residual sum-of-squares for two statistical models are 32.44 for Model A and 13.95 for Model B. i. Is Model B necessarily better than

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(c) The residual sum-of-squares for two statistical models are 32.44 for Model A and 13.95 for Model B. i. Is Model B necessarily better than Model A? Give an explanation. [2 marks] ii. How might you check the accuracy of the models? [2 marks]

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