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What percent of students had an IQ of at least 120​?

What percent of students had an IQ of at least 120​?

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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What percent of students had an IQ of at least 120​? (The answer is 21% but I would like to see a visual representation of how that answer was found?)

IQs of 7th Grade Students 80- 60- 55 44 42 40- 29 20- 14 4 2 2 0- 60 70 80 90 100 110 120 130 140 150 160 IQ scores Frequency
Transcribed Image Text:IQs of 7th Grade Students 80- 60- 55 44 42 40- 29 20- 14 4 2 2 0- 60 70 80 90 100 110 120 130 140 150 160 IQ scores Frequency
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