The Standard Deviation of a Normal Distribution

question 113

Multiple Choice

The standard deviation of a normal distribution

• A) is always 0.
• B) is always 1.
• C) can be any value.
• D) cannot be negative.

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Definitions:

Post-Traumatic Stress Disorder

A mental health condition triggered by experiencing or witnessing a terrifying event, leading to persistent flashbacks, nightmares, and severe anxiety.

Generalized Anxiety Disorder

A mental health condition characterized by persistent and excessive worry about various aspects of daily life, beyond what might be expected from the situation.

Pervasive Worrying

A chronic and excessive concern about a variety of topics, events, or activities, which is difficult to control and affects daily functioning.

Specific Phobias

Intense, irrational fears of specific objects or situations, such as heights, spiders, or flying, that lead to avoidance behavior.