The Variance of a Sample of 121 Observations Equals 441

question 57

Multiple Choice

The variance of a sample of 121 observations equals 441. The standard deviation of the sample equals

• A)11.
• B)21.
• C)1.91.
• D)231.

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Definitions:

Defensive Self-esteem

A form of self-esteem characterized by a fragile sense of self that can easily be threatened and may lead to defensive or aggressive reactions.

Low Self-efficacy

The belief in one's inability to execute behaviors necessary to produce specific performance attainments.

Self-serving Bias

The common habit of a person taking credit for positive events or outcomes but blaming outside factors for negative events.

Defensive Self-esteem

A form of self-esteem characterized by fragility and sensitivity to perceived threats, often leading individuals to react defensively to criticism or challenges.