The Sample Variance S² Is an Unbiased Estimator of the Population

question 34

Multiple Choice

The sample variance s² is an unbiased estimator of the population variance $\sigma$ ² when the denominator of s² is

• A) n + 1
• B) n
• C) n - 1
• D) \[\sqrt { n - 1 }\]

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Definitions:

Pluralist Model

A theory in political science and sociology that views power as distributed among many competing interest groups in society, promoting diversity and equality.

Functionalist

A perspective in sociology that emphasizes the importance of each part of society and its necessary role in maintaining the whole.

Conflict Theory

is a sociological perspective that views social life as a competition and focuses on the distribution of resources, power, and inequality.

Congress Representation

The process by which citizens are represented in Congress, the legislative body of the United States, typically through elected officials.