Sat. Oct 1st, 2022
  

Psychology homework help. A fellow researcher fits a simple linear regression model Yi = ? + ?Xi + ui by least squares, but hasdoubts that the first least squares assumption E(ui |Xi) = 0 is correct for her data set. She decides totest for this assumption by calculating the residuals from her regression ûi = Yi – ?i and thenperforming the usual t-test of the null hypothesis that their (population) mean is zero, assuming theerrors are normally distributed. Evaluate her strategy.A fellow researcher fits a simple linear regression model Yi = ? + ?Xi + ui by least squares, buthasdoubts that the first least squares assumption E(ui |Xi) = 0 is correct for her data set….

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