Oregonduckerz
28.05.2021 •
Mathematics
At a large university, there are two statistics courses, each with over 200 students. We randomly sample 30 students from each. On a midterm exam, the average score for the first class sample is 84% with a standard deviation of 9%. The second class sample has an average score of 90% with a standard deviation of 6%. Does the evidence support the claim that the two classes have significantly different mean scores
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