Mathematics, 25.10.2021 23:20 silviamgarcia
Suppose that on a 100-point test, the teacher's goal is for her students' exam scores to have a standard deviation of at most 8 points. A recent sample of 25 exams has a sample standard deviation of 9.5. Test whether or not her goal was achieved using a 5% level of significance. Calculate the appropriate test statistic (round to 2 decimal places as needed)
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Suppose that on a 100-point test, the teacher's goal is for her students' exam scores to have a stan...
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