The Mean Score of a College Entrance Test Is 500;

question 128

Multiple Choice

The mean score of a college entrance test is 500; the standard deviation is 75. The scores are normally distributed. What percent of the students scored below 320?

• A) About 50.82%
• B) About 34.13%
• C) About 7.86%
• D) About 0.82%
• E) None of the choices are correct

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Definitions:

Pygmalion Effect

A psychological phenomenon where higher expectations lead to an increase in performance.

Halo Effects

A cognitive bias where an observer's overall impression of a person, company, brand, or product influences feelings and thoughts about that entity's character or properties.

Performance Appraisal

The assessment of an employee's job performance and productivity, typically for purposes of performance feedback, development, or evaluation.

Projection

A defense mechanism where individuals attribute their own unacceptable thoughts, feelings, and motives to another person.