14. IQ test scores are standardized to produce a normal distribution with a mean of 100...

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14. IQ test scores are standardized to produce a normal distribution with a mean of 100 and a standard deviation of 15. Find the proportion of the population in each of the following IQ categories.

a. Genius or near genius: IQ over 140

b. Very superior intelligence: IQ from 120 to 140

c. Average or normal intelligence: IQ from 90 to 109

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9780495812203

7th Edition

Authors: Frederick J. Gravetter, Larry B. Wallnau

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Question Posted: Nov 15, 2024 06:00 AM

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14. IQ test scores are standardized to produce a normal distribution with a mean of 100...

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Essentials Of Statistics For The Behavioral Sciences

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