A Population Has a Mean of 80 and a Standard

question 22

Multiple Choice

A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken. The probability that the mean from that sample will be larger than 82 is _____.

• A) .5228
• B) .9772
• C) .4772
• D) .0228

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Definitions:

Denial

A psychological defense mechanism where an individual refuses to accept the reality of facts or feelings, to avoid dealing with uncomfortable emotions.

Projection

The psychological process of attributing one's own thoughts, feelings, or motives to another person or object.

Suppression

A form of emotion regulation that involves inhibiting emotion-expressive behavior.

Psychoanalytic Perspective

Is a theory and therapeutic approach developed by Sigmund Freud that emphasizes unconscious psychological processes in shaping feelings, thoughts, and behaviors.