If There Are Three Independent Variables X₁, X₂, and X₃

question 12

True/False

If there are three independent variables x₁, x₂, and x₃ available, then the value of R² for a multiple regression of y using x₁, x₂, and x₃ will always be smaller than the value of r² for a multiple regression of y using just x₁.

---

Definitions:

Immigration

Or in-migration, is the inflow of people into one country from one or more other countries and their settlement in the destination country.

Overpopulation

A condition where the number of individuals exceeds the carrying capacity of their habitat, leading to environmental and social issues.

Marx

Karl Marx, a 19th-century philosopher, economist, and revolutionary, known for his theories about capitalism and communism.

Demographic Transition Theory

A theory that describes the transition from high birth and death rates to lower birth and death rates as a country develops from a pre-industrial to an industrialized economic system.