Which height is rounded to the nearest inch and weight is

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Question 1. Suppose that on average, an extra inch in height is associated with an extra five pounds in weight. We have a dataset containing height and weight information in which height is rounded to the nearest inch and weight is rounded to the nearest pound. If we regress weight on height, the expected value of the estimated height coefficient would be:

Equal to 5, less than 5, or more than 5?

Question 2. Can the Hausman test be used in the presence of heteroskedasticity? Can you please explain if so?

 

Reference no: EM133598591

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