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Hourly wages, frequency

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The following chart shows the hourly wages of a sample of certified welders in the Atlanta, Georgia, area.

(see attached)

How many welders were studied?
What is the class interval?
About how many welders earn less than $10.00 per hour?

About 75 percent of the welders make less than what amount?

Ten of the welders studied made less than what amount?
What percent of the welders make less than $20.00 per hour?

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Solution Summary

Solution provides brief analysis of a sample of certified welders and their hourly wages.

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40 welders were studied.
Class interval :
0 - 10
10 - ...

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