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The First-Order Model Below Was Fit to a Set of Data

question 55

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The first-order model below was fit to a set of data. E(y)=β0+β1x1+β2x2E ( y ) = \beta _ { 0 } + \beta _ { 1 } x _ { 1 } + \beta _ { 2 } x _ { 2 } Explain how to determine if the constant variance assumption is satisfied.

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