Solve the Problem

question 80

Multiple Choice

Solve the problem. Round your answer to one decimal place, if necessary.
-The distribution of sample means for monthly employee income at a particular company for samples of 70 employees is normal with a mean of $5921 and a standard deviation of $219. You take a random sample of 70 employees from the company and find that their mean monthly income is $5668. How many standard deviations is the sample mean from the mean of the distribution of sample means?

• A)1.2 standard deviation(s)below the mean
• B)1.2 standard deviation(s)above the mean
• C)9.7 standard deviation(s)below the mean
• D)253 standard deviation(s)above the mean

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Definitions:

Biological Model

A model that explains psychological phenomena in terms of biological processes and structures.

Learning Model

A theoretical framework that describes how individuals acquire, process, and retain knowledge or skills through experience, instruction, or study.

Moderately Dependent

Refers to a level of reliance on substances or behaviors that is significant but not severe or incapacitating.

Substance-Related Disorders

Disorders related to the abuse of or dependence on drugs, alcohol, or other substances.