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In addition, please do the following problem: Sue fits a WLS regression with all weights equal to 2. Joe fits a WLS regression to the

In addition, please do the following problem: Sue fits a WLS regression with all weights equal to 2. Joe fits a WLS regression to the same data with all weights equal to 1. What are the differences in the estimates of coefficients, standard errors, variance and F-tests between Sue's and Joe's analyses.

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