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Test the claim that the mean GPA of night students is larger than the mean GPA...

Test the claim that the mean GPA of night students is larger than the mean GPA of day students at the 0.025 significance level.

The null and alternative hypothesis is

H0:μN≤μD

H1:μN>μD

The test is right tailed

The sample consisted of 25 night students, with a sample mean GPA of 2.11 and a standard deviation of 0.06, and 25 day students, with a sample mean GPA of 2.1 and a standard deviation of 0.07.

The test statistic is:

The p-value is:

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