The Scores of Students on a Standardized Test Form a Normal

question 71

Essay

The scores of students on a standardized test form a normal distribution with a mean score of 500 and a standard deviation of 100. Between what two values do the middle 50% of scores lie?

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Definitions:

Reticular Formation

A structure in the brainstem that plays a crucial role in arousal and attention and that screens sensory messages entering the brain.

Cerebellum

A part of the brain located at the back of the skull, primarily responsible for coordinating voluntary movements and maintaining balance and posture.

Medulla

The part of the brainstem that controls heartbeat, blood pressure, breathing, coughing, and swallowing.

Cerebellum

A part of the brain located at the back of the skull, primarily involved in coordinating movement and balance.