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College students are increasingly working while attending school. A study was conducted to determine if there...

College students are increasingly working while attending school. A study was conducted to determine if there is a significant difference in earnings of male college students and female college students during the eight months of the academic year. A sample of 800 male students earned an average of $5,995 with a standard deviation of $2,500. A sample of 700 working female students earned an average of $5,480 with a standard deviation of $2,600. Use .10 level of significance.

Which of the following represents the null hypothesis?

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