Mathematics, 20.05.2021 16:00 erichenkell2700

You are testing the claim that the mean GPA of night students is greater than the mean GPA of day students. You sample 20 night students, and the sample mean GPA is 2.77 with a standard deviation of 0.42 You sample 25 day students, and the sample mean GPA is 3.09 with a standard deviation of 0.64 Calculate the test statistic, rounded to 2 decimal places

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