If the Model ​ Satisfies the First Four Gauss-Markov

question 3

Multiple Choice

If the model ​ satisfies the first four Gauss-Markov assumptions, then v has:

• A)​a zero mean and is correlated with only x₁.
• B)​a zero mean and is correlated with x₁ and x₂.
• C)​a zero mean and is correlated with only x₂.
• D)a ​zero mean and is uncorrelated with x₁ and x₂.

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Definitions:

Circular Reasoning

A logical fallacy where the conclusion of an argument is used as a premise of the argument itself.

Hypothetical

Involving or based on a suggested idea or theory rather than actual evidence.

Presupposition

Something assumed beforehand at the beginning of a line of argument or course of action.

Group Decision Making

The process by which a group of individuals come together to make a decision, typically through discussion and considering multiple perspectives.