Question
IQ test scores are standardized to produce a normal distribution with a mean of m = 100 and a standard deviation of o = 15.
IQ test scores are standardized to produce a normal distribution with a mean of m = 100 and a standard deviation of o = 15. Find the proportion of the population in each of the following IQ categories. Show all work.
a. Genius or near genius: IQ over 40
b. Very superior intelligence: IQ from 120-140
c. Average or normal intelligence: IQ from 90-109
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Essentials Of Statistics For The Behavioral Sciences
Authors: Frederick J Gravetter, Larry B. Wallnau
8th Edition
1133956572, 978-1133956570
