You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 45 night students, and the sample mean GPA is 2.63 with a standard deviation of 0.73 You sample 55 day students, and the sample mean GPA is 2.14 with a standard deviation of 0.43 Calculate the test statistic, rounded to 2 decimal places

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