In a Second-Order Polynomial Regression Model,the Regression Coefficient,B₂,will Be Positive

question 85

True/False

In a second-order polynomial regression model,the regression coefficient,B₂,will be positive if the parabola opens downward and negative when the parabola opens upward.

---

Definitions:

Black Americans

A term referring to Americans with ancestry from sub-Saharan Africa.

Ethnicity

A social category characterized by shared culture, language, heritage, religion, or national origin, distinguishing members of one group from others within a society.

Racial Categorizations

The classification of people into groups based on perceived physical and genetic differences.

Cultural Characteristics

Features that distinguish one group or society from another, including language, customs, values, and artistic expression.