Given a Sampling Distribution of the Sample Mean

question 203

Multiple Choice

Given a sampling distribution of the sample mean, , that is normally distributed and has a mean of 30 and a standard deviation of 8, to which of the following does a sample mean of 40 correspond?

• A) a z value of -1.25
• B) a z value of +1.25
• C) a sample size of 120
• D) a sample size of 300

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Definitions:

Latency Stage

In psychoanalytic theory, the fourth stage of psychosexual development, characterized by repression of sexual impulses and development of skills.

Genital Stage

A phase in Freud's psychosexual development theory during which an individual's main source of pleasure is their genital area.

Psychodynamic Theory

A theoretical framework that asserts that human behavior and feelings are deeply influenced by unconscious motives and conflicts.

Cognitive Theory

A theory of psychology that emphasizes internal mental processes as the key to understanding human behavior.