E $\left(\frac { 1 } { n - 2 } \sum _ { i = 1 } ^ { n } \hat { u } _ { i } ^ { 2 }\right )$

question 47

Multiple Choice

E $\left(\frac { 1 } { n - 2 } \sum _ { i = 1 } ^ { n } \hat { u } _ { i } ^ { 2 }\right )$

• A)is the expected value of the homoskedasticity only standard errors.
• B)= \(\sigma _ { u } ^ { 2 }\)
• C)exists only asymptotically.
• D)= \(\sigma _ { u } ^ { 2 }\) /(n-2).

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