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 α = 0.01.  Morning Students  Afternoon Students   n 1 = 36   n 2 = 41    1 = 90    2 = 93   s 1 = 5.8   s 2 = 6.3

Question

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 α = 0.01.
 Morning Students  Afternoon Students
  n 1 = 36   n 2 = 41
   1 = 90    2 = 93
  s 1 = 5.8   s 2 = 6.3

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