A Sample of N Observations Is Taken from a Population

question 27

Multiple Choice

A sample of n observations is taken from a population. The appropriate chi-square distribution has

• A)n degrees of freedom
• B)n - 1 degrees of freedom
• C)n - 2 degrees of freedom
• D)n - 3 degrees of freedom

---

Definitions:

Biological Siblings

Individuals who share the same biological parents, fully related by blood through their mother and father.

Gene-environment Correlation

The concept that an individual's genes influence the environments to which they are exposed, thereby affecting their behavioral traits and health.

Athletic Skills

Abilities or proficiencies related to physical sports, exercise, or any form of physical activity.

Exposed

Left unprotected or vulnerable to harm, danger, or negative influences.