The One Variable That Stands Out as the Most Significant

question 127

Multiple Choice

The one variable that stands out as the most significant explanation of large variations in living standards around the world is

• A)productivity.
• B)population.
• C)preferences.
• D)prices.

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Definitions:

Linear Regression

A statistical method used to model the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

Least-square Regression

Rephrasing of KT-14; Refers to the method used to find the line that minimizes the sum of the squares of the differences between observed and predicted values.

Vector-borne Disease

Infectious diseases transmitted by vectors, such as mosquitoes, ticks, and fleas, that spread pathogens between humans or from animals to humans.

Malaria

A serious and sometimes fatal disease caused by Plasmodium parasites that are transmitted to people through the bites of infected Anopheles mosquitoes.