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study of the effect of college student employment on academic performance, the following summary statistics for...

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Advance Math

study of the effect of college student employment onacademic performance, the following summary statistics for GPA werereported for a sample of students who worked and for a sample ofstudents who did not work. The samples were selected at random fromworking and nonworking students at a university. (Use a statisticalcomputer package to calculate the P-value. Useμemployed − μnot employed. Roundyour test statistic to two decimal places, your df down to thenearest whole number, and your P-value to three decimalplaces.)

Sample
SizeMean
GPAStandard
DeviationStudents Who
Are Employed1723.120.475Students Who
Are Not Employed1143.230.524


t= df= P=
Does this information support the hypothesis that for students atthis university, those who are not employed have a higher mean GPAthan those who are employed? Use a significance level of 0.05.

YesNo    


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