Worldwide, Desertification Is Affecting an Estimated ________ People

question 118

Multiple Choice

Worldwide, desertification is affecting an estimated ________ people.

• A) 100,000
• B) 1,000,000
• C) 5,000,000
• D) 1,000,000,000

---

Definitions:

Coefficient of Determination

A statistical measure that determines the proportion of variance in the dependent variable that can be predicted from the independent variable(s).

Quadratic Model

A statistical or mathematical model in which the relationship between the independent variable and the dependent variable is represented by a second-degree polynomial or parabolic function.

Quadratic Relationship

A type of relationship between two variables where the relationship can be described by a second-degree polynomial or equation.

Significance Level

The threshold under which a result of a statistical test is considered statistically significant, often denoted by alpha (α).