Assume that adults have IQ scores that are normally distributed with a mean of 103 and a standard deviation of 15. Find the third quartile Q2, which is the IQ score separating the top 25% from the others.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Assume that adults have IQ scores that are normally distributed with a mean of 103 and a standard deviation of 15. Find the third quartile Q2, which is the IQ score
separating the top 25% from the others.
Transcribed Image Text:Assume that adults have IQ scores that are normally distributed with a mean of 103 and a standard deviation of 15. Find the third quartile Q2, which is the IQ score separating the top 25% from the others.
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