The Most Likely Violation of the Assumptions Required for OLS

question 32

Multiple Choice

The most likely violation of the assumptions required for OLS to be BLUE when dealing with time-series data is referred to as

• A)heteroskedasticity.
• B)homeskedasticity.
• C)autocorrelation.
• D)autoskedasticity.

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Definitions:

Pleural Cavity

The thin fluid-filled space between the two pulmonary pleurae (visceral and parietal) of each lung.

Pus

a thick, yellowish or greenish opaque liquid produced in infected tissue, consisting of dead white blood cells and bacteria with tissue debris and serum.

Mediastinum

The central compartment of the thoracic cavity between the lungs, containing the heart, trachea, esophagus, and other structures.

Thoracic Cavity

The part of the body enclosed by the ribs, home to organs such as the heart and lungs.