Scores on the American College Testing (ACT) College Entrance Exam

question 30

Multiple Choice

Scores on the American College Testing (ACT) college entrance exam follow the Normal distribution with mean 18 and standard deviation 6. Wayne's standard score on the ACT was -1.1.
Wayne scored better than approximately

• A) 1.1% of the people who took the exam.
• B) 13.57% of the people who took the exam.
• C) 11.40% of the people who took the exam.
• D) 86.43% of the people who took the exam.

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Definitions:

Social Facilitation

The phenomenon that individuals perform tasks better or differently when in the presence of others, due to increased arousal and motivation.

Empirical Studies

Research that is based on observation or experience rather than theory or pure logic.

Performance

Refers to the act of carrying out or accomplishing an action, task, or function, often evaluated in terms of its efficiency, effectiveness, and quality.

Social Facilitation

The enhancement of performance in the presence of others, typically observed in tasks that are simple or well-rehearsed.