The average GPA among all college students is estimated to be 2.60. There is reason to believe that students who binge drink have lower GPAs than students that don’t. In a sample of 121 Rutgers-Newark college students identified by their peers as problem drinkers, you find that the mean GPA is 2.45, with a standard deviation of 1.75. Using α = 0.10, test the hypothesis that students who are heavy drinkers have lower GPA. Be sure to include all five steps of the hypothesis test.
The question belongs to Statistics and it discusses about hypothesis testing on GPA of college students.
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