The Amount Spent on Textbooks for the Fall Term Was

question 33

Multiple Choice

The amount spent on textbooks for the fall term was recorded for a sample of five hundred university students. The mean expenditure was calculated to be $500 and the standard deviation of the expenditures was calculated to be $100. Suppose a randomly selected student reported that their textbook expenditure was $700. Calculate the z-score for this student's textbook expenditure.

• A) -2
• B) -3
• C) +2
• D) +3

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Definitions:

Fear Acquisition

The process by which an individual learns to fear a particular stimulus through conditioning or traumatic experiences.

Findings

Results or conclusions derived from scientific research or investigations.

Cognitive Intrusions

Unwanted, disruptive thoughts that intrude into conscious awareness, often associated with stress or trauma.

Obsessions

Persistent, intrusive, and unwanted thoughts, images, or urges that cause significant anxiety or distress.