In a study of the effect of college student employment on academic performance, the following summary statistics for GPA were reported for a sample of students who worked and for a sample of students who did not work (University of Central Florida Undergraduate Research Journal, Spring 2005): Sample Size Mean GPA Standard Deviation Students who are employeed 184 3.12 0.49 Students who are not employeed 114 3.25 0.52 The samples were selected at random from working and nonworking students at the University of Central Florida. a. Does this information support the hypothesis that for students at this university, those who are not employed have a higher mean GPA than those who are employed? Use significance level 0.05 b. Write interpretation

In a study of the effect of college student employment on academic performance, the following summary statistics for GPA were reported for a sample of students who worked and for a sample of students who did not work (University of Central Florida Undergraduate Research Journal, Spring 2005): Sample Size Mean GPA Standard Deviation Students who are employeed 184 3.12 0.49 Students who are not employeed 114 3.25 0.52 The samples were selected at random from working and nonworking students at the University of Central Florida. a. Does this information support the hypothesis that for students at this university, those who are not employed have a higher mean GPA than those who are employed? Use significance level 0.05 b. Write interpretation

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Description: In a study of the effect of college student employment on academic performance, the following summary statistics for GPA were reported for a sample of students who worked and for a sample of students who did not work (University of Central Florida Un

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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	Sample Size	Mean GPA	Standard Deviation
Students who are employeed	184	3.12	0.49
Students who are not employeed	114	3.25	0.52