Question: QUESTION 10 (2) When you set up a regression, should you always include a variable if it increases R2? True O FalseQUESTION 11 (5) For

 QUESTION 10 (2) When you set up a regression, should youalways include a variable if it increases R2? True O FalseQUESTION 11(5) For a probit regression, Pr(Y = 1/X) = (B, + 1X),can you use OLS estimator for the regression coefficients? O True O

QUESTION 10 (2) When you set up a regression, should you always include a variable if it increases R2? True O FalseQUESTION 11 (5) For a probit regression, Pr(Y = 1/X) = (B, + 1X), can you use OLS estimator for the regression coefficients? O True O FalseQUESTION 8 BIIt (5) Can you use OLS to estimate both B, and 32 in the model yt = e #2t? O True O FalseQUESTION 9 (4) Suppose the true model is Y z 60 + (31X + 2Z + 5, but you estimate a regression model only using X as the regressor. Is it possible to have 3.11 omitted variable bias when E (Z) : O? 0 True 0 False

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