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An investigator wants to know if the typical part-time job hours are greater than 15 hours per week among college students. A sample of 60

An investigator wants to know if the typical part-time job hours

are greater than 15 hours per week among college students. A sample of 60 students

with part-time jobs was conducted and found a mean of 16.69 hours with a standard

deviation of 7.61 hours. Test the claim that students with part-time jobs work more

than 15 hours per week on average with a 5% significance level.

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