The Sample Variance S² Is an Unbiased Estimator of the Population

question 7

True/False

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

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Definitions:

Conditioned Responses

Learned reactions or responses to previously neutral stimuli that have been associated with a significant event, like Pavlov's dogs salivating at the sound of a bell.

Irrational Thinking

Cognitive processes that are not based on logic or rationality, often leading to erroneous conclusions or actions.

Aversive Conditioning

A behavioral training method that uses negative stimuli to reduce or eliminate unwanted behaviors.

Exposure Therapy

A psychological treatment method that reduces fear and anxiety responses by gradually and repeatedly exposing individuals to feared objects or situations.