Assume that adults have IQ scores that are normally distributed with a mean of 103.6 and a standard deviation 22.7. Find the first quartile Q,, wh

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 14PPS
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Assume that adults have IQ scores that are normally distributed with a mean of 103.6 and a standard deviation 22.7. Find the first quartile Q,, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.)
The first quartile is ?.
(Type an integer or decimal rounded to one decimal place as needed.)
Transcribed Image Text:Assume that adults have IQ scores that are normally distributed with a mean of 103.6 and a standard deviation 22.7. Find the first quartile Q,, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) The first quartile is ?. (Type an integer or decimal rounded to one decimal place as needed.)
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