A Sample of N = 4 Scores Is Selected from a Population

question 55

Multiple Choice

A sample of n = 4 scores is selected from a population with μ = 50 and σ = 12.If the sample mean is M = 56,what is the z-score for this sample mean?​

• A)​0.50
• B)​1.00
• C)​2.00
• D)​4.00

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Definitions:

Phenylethylamine

A natural monoamine alkaloid and trace amine, which acts as a central nervous system stimulant in humans.

Trust

Confidence in the honesty, integrity, reliability, and competence of another person or entity.

Social Reality

Beliefs held in common by several or many people; public awareness.

Double Standard

Condemning women more than men for the same sexual behavior (e.g., premarital sex).