The Mean Score on a Test of Agreeableness Is 27

question 37

Multiple Choice

The mean score on a test of agreeableness is 27 with a standard deviation of 8. Rudolfo got a score of 25 on this test. What is his z score?

• A) -0.25
• B) -0.40
• C) -2.00
• D) There is not enough information to tell.

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Definitions:

Anxiety

A mental health disorder characterized by feelings of worry, anxiety, or fear that are strong enough to interfere with one's daily activities.

Infection

The invasion and multiplication of microorganisms such as bacteria, viruses, and fungi that are not normally present within the body, often leading to disease or illness.

Strep Throat

An infection caused by Streptococcus bacteria, characterized by a sore and inflamed throat.

Aspirin

A common nonsteroidal anti-inflammatory drug used to reduce pain, fever, and inflammation, and in low doses, to prevent blood clots.