Under the Least Squares Assumptions (Zero Conditional Mean for the Error

question 8

Multiple Choice

Under the least squares assumptions (zero conditional mean for the error term, X_i and Y_i being i.i.d., and X_i and u_i having finite fourth moments) , the OLS estimator for the slope and intercept

• A)has an exact normal distribution for n > 15.
• B)is BLUE.
• C)has a normal distribution even in small samples.
• D)is unbiased.

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