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Assume that adults have IQ scores that are normally distributed with a mean of 100.4 and a standard deviation 24.8. Find the first quartile Q₁, 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.) C•••

Assume that adults have IQ scores that are normally distributed with a mean of 100.4 and a standard deviation 24.8. Find the first quartile Q₁, 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.) C•••

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**Problem Statement:** Assume that adults have IQ scores that are normally distributed with a mean of 100.4 and a standard deviation of 24.8. Find the first quartile \(Q_1\), which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) --- **Solution:** The first quartile is \( \underline{\hspace{2cm}} \). (Type an integer or decimal rounded to one decimal place as needed.)
Transcribed Image Text:**Problem Statement:** Assume that adults have IQ scores that are normally distributed with a mean of 100.4 and a standard deviation of 24.8. Find the first quartile \(Q_1\), which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) --- **Solution:** The first quartile is \( \underline{\hspace{2cm}} \). (Type an integer or decimal rounded to one decimal place as needed.)
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