The Average Number of Customers That Visited a Particular Store

question 74

Multiple Choice

The average number of customers that visited a particular store during the past year is 160 per day and a standard deviation of 25 customers per day.A random sample of 64 days is chosen from this population.The standard deviation of the sample mean equals:

• A) 12.649.
• B) 25.0.
• C) 2.56.
• D) 3.125.
• E) 8.0

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Definitions:

Free Associate

A psychoanalytic process where the patient speaks freely to reveal unconscious thoughts and feelings.

Psychotherapist

A trained professional who treats mental health problems and emotional difficulties through talking and psychological techniques.

Psychodynamic Approach

An approach to psychology emphasizing unconscious thought, the conflict between biological drives (such as the drive for sex) and society’s demands, and early childhood family experiences.

Unconscious Conflicts

Internal struggles arising from unresolved, often repressed, desires or impulses that can lead to mental disturbances or disorders according to psychoanalytic theories.