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A Population of Scores Is Normally Distributed with a Mean

question 4

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A population of scores is normally distributed with a mean of 100 and a standard deviation of 20. Approximately percent of the scores fall in the interval between 60 and 100.


Definitions:

Autism Spectrum Disorders

A range of neurodevelopmental disorders characterized by challenges with social skills, repetitive behaviors, speech, and nonverbal communication.

Affect

A term used in psychology to describe the experience of feeling or emotion.

Learning Disability

A condition giving rise to difficulties in acquiring knowledge and skills to the level expected of those of the same age, especially when not associated with a physical handicap.

Handwriting

The act or skill of writing formed by hand using instruments such as a pen or pencil.

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