The OLS Estimator for the Multiple Regression Model in Matrix

question 2

Multiple Choice

The OLS estimator for the multiple regression model in matrix form is

• A)(X'X)^-1X'Y
• B)X(X'X)^-1X' - P_X
• C)(X'X)^-1X'U
• D)(XΩ^-1X)^-1XΩ-1Y

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Definitions:

Demographics

Quantifiable characteristics of a population, including age, gender, occupation, income, and education.

Affiliation

A connection or association with a group, organization, or institution, often indicating a formal relationship.

Self-actualization

A concept in psychology representing the realization or fulfillment of one's talents and potentialities, considered as a drive or need present in everyone.

Physiological Requirements

Basic physical needs of the human body that must be met to maintain health, such as food, water, and sleep.