Question: Kit is curious if students who take math tests in the afternoon score better than students who take the same math test in the morning.

Kit is curious if students who take math tests in the afternoon score better than students who take the same math test in the morning. They randomly selected 30 students to take the test in the morning and 26 students to take the test in the afternoon. They're going to complete a two-sample t-test to test their hypothesis. Based on what was taught in class, how many degrees of freedom should they use when calculating their critical value

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