A Sample of N = 9 Scores Is Obtained from a Population

question 57

Multiple Choice

A sample of n = 9 scores is obtained from a population with μ = 70 and σ = 18.If the sample mean is M = 76,what is the z-score for the sample mean?

• A)z = 0.33
• B)z = 0.50
• C)z = 1.00
• D)z = 3.00

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Definitions:

Biologically Determined

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Physical Arousal

The physiological and psychological state of being awoken or activated, often in response to a stimulus.

Schachter

Stanley Schachter was a psychologist known for his development of the two-factor theory of emotion, which considers both physiological arousal and cognitive interpretation.

Singer

A singer is a person who uses their voice to produce musical sounds through modulation in tone and pitch, performing alone or with other musicians.