Sam Has Recently Returned from a Tour of Duty Overseas

question 2

Multiple Choice

Sam has recently returned from a tour of duty overseas.While he was stationed abroad,he saw a fair share of combat,including the death of three of his fellow platoon-mates.Sam has been having several symptoms since he returned,including sleeplessness,irritability,flashbacks,and a loss of interest in being around his friends and family.Which of the following diagnoses would be most appropriate for Sam's condition?

• A) Generalized anxiety disorder
• B) Panic disorder
• C) Post-traumatic stress disorder
• D) Obsessive-compulsive disorder

---

Definitions:

Standard Deviation

A statistical measure that quantifies the variability or dispersion of a dataset relative to its mean; used to gauge the amount of variation or spread in a set of data points.

Percentile

A measure indicating the value below which a given percentage of observations in a group of observations falls.

Normal Random Variable

A variable whose values are distributed according to a normal distribution.

Mean

A measure of central tendency that is calculated by summing the values in a dataset and dividing by the number of values.