Test Hypotheses Regarding the Difference of Two Independent Means
-A history teacher believes that students in an afternoon class score higher than the students in a morning class. The results of a special exam are shown below. Can the teacher conclude that the afternoon students have a higher score? Use $\alpha = 0.01$.

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The Answer of Test Hypotheses Regarding the Difference of Two Independent Means
-A history teacher believes that students in an afternoon class score higher than the students in a morning class. The results of a special exam are shown below. Can the teacher conclude that the afternoon students have a higher score? Use $\alpha = 0.01$.

Test Hypotheses Regarding the Difference of Two Independent Means -A α=0.01\alpha = 0.01α=0.01

Test Hypotheses Regarding the Difference of Two Independent Means
-A $\alpha = 0.01$