Mathematics, 22.12.2021 09:30 chem1014
Researchers wanted to determine weather students taking classes in the morning performed better than students taking classes in the evening on their Probability and Statistics final exam. A random sample of students taking classes in the morning showed the mean final exam score of 178.5 points with the standard deviation of 21..2 points and a random sample of students taking classes in the evening showed the mean final exam score of 168.5 points with the standard deviation of 30.1 points. What is the alternative hypothesis when testing the claim at 5% level of significance
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