SOLUTION: There are two groups of students taking a statistics class. Group A is taking the class with the same professor as their previous class. Group B is taking the class with a new prof

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Question 398143: There are two groups of students taking a statistics class. Group A is taking the class with the same professor as their previous class. Group B is taking the class with a new professor. As a researcher, the school has challenged you to determine if Group B will have a higher percentage of students drop than Group A. What statistical test will you use to determine this?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
You can use a test of proportions using the z- or t-statistic, depending on whether the sample size n+%3E=+30 or n+%3C+30.
H%5B0%5D: p%5BA%5D+%3E=+p%5BB%5D
H%5Ba%5D: p%5BA%5D+%3C+p%5BB%5D