An Unbiased Estimator of the Population Variance Can Be Obtained

question 23

Multiple Choice

An unbiased estimator of the population variance can be obtained from sample data by dividing the sum of squares by:

• A)N
• B)N - 1
• C)N - 2
• D)none of these

---

Definitions:

Adolescent Boys

Refers to male individuals in the developmental stage of adolescence, typically between the ages of 13 to 19, experiencing significant physical, emotional, and social changes.

Psychological Characteristics

The traits and features that define an individual’s mental and emotional makeup, influencing behavior and thought processes.

Self-Concepts

Ideas and beliefs about oneself, including one's identity, traits, and abilities, that shape self-perception.

Middle Childhood

A stage of development that spans from approximately 6 to 12 years of age, marked by significant growth in cognitive, emotional, and social skills.