Question
You are testing the claim that the mean GPA of night students is less than the mean GPA of day students. You sample 45 night
You are testing the claim that the mean GPA of night students is less than the mean GPA of day students. You sample 45 night students, and the sample mean GPA is 2.16 with a standard deviation of 0.4 You sample 30 day students, and the sample mean GPA is 2.03 with a standard deviation of 0.69 Calculate the test statistic, rounded to 2 decimal places
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You are testing the claim that the mean GPA of night students is less than the mean GPA of day students. You sample 20 night students, and the sample mean GPA is 2.41 with a standard deviation of 0.46 You sample 55 day students, and the sample mean GPA is 2.6 with a standard deviation of 0.83 Calculate the test statistic, rounded to 2 decimal places
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Mathematics For The Liberal Arts
Authors: Donald Bindner, Martin J Erickson, Joe Hemmeter
1st Edition
1118371747, 9781118371749
