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5 Too Early The examinations in a large multisection statistics class are scaled after grading...

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5 Too Early The examinations in a large multisection statistics class are scaled after grading so that the mean score is 75 The professor thinks that students in the 8 00 A M class have trouble paying attention because they are sleepy and suspects that these students have a lower mean score than the class as a whole The students in the 8 00 A M class this semester can be considered a sample from the population of all students in the course so the professor compares their mean score with 75 State the hypotheses Ho and Ha Agrote

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