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Business, 04.12.2019 04:31 hjenn31

Ou are a graduate assistant for a statistics class where there have been two exams so far. 89 students took the first exam, and the class had an average score of 69.1 with a standard deviation of 12.3 across the students’ scores. 74 students took the second exam, and the class had an average score of 64.35 with a standard deviation of 9.47 across the students’ scores. the professor wants to know if the average scores on the two exams are significantly different, and he asks you to perform a hypothesis test at the 0.05 significance level.

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