Jordan istesting a hypothesis regarding the effect of having a part time jobon t
ID: 2950189 • Letter: J
Question
Jordan istesting a hypothesis regarding the effect of having a part time jobon the GPA of undergraduate students. For a random sample of 200undergraduates who have part time jobs and 200 who do not, he findsthe following confidence interval for the difference of GPA forstudents who have part time jobs and those who do not. He findsthis confidence interval to be from minus 0.20 to plus 0.20 (-0.20to +0.20).
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Choose one answer.
a. He shouldreject the null hypothesis and conclude that working part time hasa statistically significant effect on GPA of undergraduatestudents. b. He shouldreject the null hypothesis and conclude that GPA for students whohave part time jobs is lower than those who do not. c. He shouldfail to reject the null and conclude that having a part time job isrelated to having a part time job. d. He shouldfail to reject the null hypothesis and conclude that having a parttime job in not related to the GPA of undergraduate students.Explanation / Answer
The best answer is, d. He shouldfail to reject the null hypothesis and conclude that having a parttime job in not related to the GPA of undergraduate students. d. He shouldfail to reject the null hypothesis and conclude that having a parttime job in not related to the GPA of undergraduate students.Related Questions
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