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Linear in the parameters

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Determine whether the following models are linear in the parameters, or the variables, or both. Which of these models are linear regression models?

(a) yi = a + b/xi + ui

(b) yi = a + b*log (xi) + ui

(c) log (yi) = a +b*xi + ui

(d) log (yi) = a + b*log (xi) + ui

(e) log (yi) = a - b/xi+ ui

(ui is the residual, which is the unsystematic part of yi and a + b*xi is the systematic part of yi

Reference no: EM131909462

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