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.

---

Definitions:

Global Brand

A brand marketed under the same name in multiple countries with similar and centrally coordinated marketing programs.

Centrally Coordinated

Managed or organized by a central authority or location, ensuring consistency and uniformity across operations or activities.

Marketing Programs

Structured plans composed of various strategies and activities aimed at achieving specific marketing objectives.

Global Brand

A brand that is recognized and available in multiple countries across the world.