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You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. -Sample 1: You sample

You are testing the claim that the mean GPA of night students is different than the mean GPA of day students.

-Sample 1: You sample 25 night students, and the sample mean GPA is 2.52 with population standard deviation of 0.88

-Sample 2: You sample 45 day students, and the sample mean GPA is 2.55 with population standard deviation of 0.73

Calculate the z-test statistic, please keep at least 6 decimal places during the calculation.

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