An English Instructor Gave a Final Exam and Found a Mean

question 45

Multiple Choice

An English instructor gave a final exam and found a mean score of 69 points and a standard deviation of 5.8 points.Assume that a Normal model can be applied.Draw and label the Normal model for the exam scores.Then find the interval for the central 68% of the scores.

• A) ; 57.4 to 80.6 points
• B) ; 63.2 to 74.8 points
• C) ; 63.2 to 74.8 points
• D) ; 57.4 to 69 points
• E) ; 69 to 80.6 points

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Definitions:

Neurons

Nerve cells that are the basic building blocks of the nervous system, responsible for receiving, processing, and transmitting information through electrical and chemical signals.

Area V4

A region of the visual cortex involved in processing color and shape, contributing to the perception of an object's attributes.

Right Hemisphere

The right side of the brain, responsible for spatial abilities, facial recognition, and processing music and art.

Extinction

In psychology, the process by which a conditioned response decreases in frequency and eventually disappears as a result of the conditioned stimulus being presented without reinforcement.