Two placement exams are available that students can take to determine which math class they should begin with in their freshman year.It is believed that there is no difference in

Two placement exams are available that students can take to determine which math class they should begin with in their freshman year.It is believed that there is no difference in the mean scores that would be received for the two tests.To test this using a 0.05 level of significance,a randomly selected group of students took both tests and had their scores recorded.The following data were obtained: Based on these data,the test statistic is approximately t = -1.892.


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