We Study Relationships Among Numerical Variables Using

question 78

Multiple Choice

We study relationships among numerical variables using:

• A) correlation
• B) covariance
• C) scatterplot charts
• D) all of these choices
• E) none of these choices

---

Definitions:

State Constitutional

Pertaining to the fundamental principles or established precedents according to which a state is acknowledged to be governed.

African-American Farmers

Individuals of African descent engaged in agricultural activities in the United States, either as free persons or enslaved laborers, contributing significantly to the agrarian economy.

Sharecroppers

Farmers who rent land and pay the landowner with a percentage of the crops produced on the land, a system prevalent in the post-Civil War Southern United States.

Domestic Servants

Workers employed in households to perform various housekeeping duties, such as cleaning, cooking, and caregiving.