Question

A simple linear regression, y = β0 + β1x + , is estimated with cross-sectional data. The resulting residuals e along with the values of the explanatory variable x is shown in the accompanying table.


a. Graph the residuals e against the values of the explanatory variable x and look for any discernible pattern.
b. Which assumption is being violated? Discuss its consequences and suggest a possibleremedy.


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  • CreatedJanuary 28, 2015
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