question archive You are testing the claim that the mean GPA of night students is different than the mean GPA of day students
You are testing the claim that the mean GPA of night students is different than the mean GPA of day students
Subject:StatisticsPrice: Bought3
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.
