A Sample of 21 Observations Yielded a Sample Variance of 16

question 73

Multiple Choice

A sample of 21 observations yielded a sample variance of 16. If we want to test H₀: $\sigma$ ² = 16, the test statistic is

• A)20
• B)21
• C)5
• D)50

---

Definitions:

Critical Length

Often refers to a specific threshold or dimension required for a particular process, reaction, or phenomenon to occur; the context determines its exact meaning.

Disease

A condition that disrupts normal physiological or anatomical functioning, often characterized by specific symptoms and signs.

Middle Adulthood

A stage of human development typically ranging from the mid-40s to the mid-60s, characterized by increased focus on personal and professional achievement, stability, and preparing for retirement.

Biological Decline

The process of physical deterioration in organisms, often associated with aging, leading to decreased functionality of organs and systems.