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19. The following cumulative frequency and the cumulative relative frequency polyge for the distribution of hourly wages of a sample of certified welders in the Atlant Georgia, area is shown in the graph. 40 100 30 75 50 10 25 Frequency 20 Percent

19. The following cumulative frequency and the cumulative relative frequency polyge for the distribution of hourly wages of a sample of certified welders in the Atlant Georgia, area is shown in the graph. 40 100 30 75 50 10 25 Frequency 20 Percent

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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19. The following cumulative frequency and the cumulative relative frequency polygon for the distribution of hourly wages of a sample of certified welders in the Atlanta, Georgia, area is shown in the graph. 40 100 30 75 20 10 25 10 15 20 30 Hourly Wage a. How many welders were studied? b. What is the class interval? c. About how many welders earn less than $10.00 per hour? d. About 75% of the welders make less than what amount? e. Ten of the welders studied made less than what amount? f. What percent of the welders make less than $20.00 per hour? Percent 50 25 LO Frequency
Transcribed Image Text:19. The following cumulative frequency and the cumulative relative frequency polygon for the distribution of hourly wages of a sample of certified welders in the Atlanta, Georgia, area is shown in the graph. 40 100 30 75 20 10 25 10 15 20 30 Hourly Wage a. How many welders were studied? b. What is the class interval? c. About how many welders earn less than $10.00 per hour? d. About 75% of the welders make less than what amount? e. Ten of the welders studied made less than what amount? f. What percent of the welders make less than $20.00 per hour? Percent 50 25 LO Frequency
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