If, in Addition to the Least Squares Assumptions Made in the Previous

question 8

Multiple Choice

If, in addition to the least squares assumptions made in the previous chapter on the simple regression model, the errors are homoskedastic, then the OLS estimator is

• A)identical to the TSLS estimator.
• B)BLUE.
• C)inconsistent.
• D)different from the OLS estimator in the presence of heteroskedasticity.

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Definitions:

General Anesthesia

A medically induced state of unconsciousness, accompanied by a loss of protective reflexes, to facilitate surgery or other painful procedures.

Caregiver Role Strain

The stress or burden experienced by individuals who provide care for family members or others with long-term illnesses or disabilities.

Postanesthesia Care Unit

The specialized care unit where patients recover from anesthesia following surgery.

Incentive Spirometer

A device used to help patients improve the function of their lungs by encouraging deep breathing exercises, especially after surgery.