In the Presence of Heteroskedasticity, and Assuming That the Usual

question 9

Multiple Choice

In the presence of heteroskedasticity, and assuming that the usual least squares assumptions hold, the OLS estimator is

• A)efficient.
• B)BLUE.
• C)unbiased and consistent.
• D)unbiased but not consistent.

Calculate the standard deviation and mean for sampling distributions.

Recognize how sample size and population standard deviation affect the shape of sampling distributions.

Use statistical methods to estimate probabilities associated with sampling distributions.

Interpret the relationship between population distributions and sampling distributions.

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