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:

Catharsis

A psychological concept that suggests expressing or experiencing strong emotions can lead to a state of psychological relief or liberation.

Aggression

Aggression is behavior aimed at causing harm or pain to others, which can be physical or verbal.

Physical Injury

Harm or damage to the body resulting from external force or trauma.

Hostile

Characterized by antagonism or opposition, often manifesting through unfriendly or aggressive behavior.