Mathematics, 20.10.2020 18:01, joebiden1

Suppose that on a 100-point test, the teacher's goal is for her students' exam scores to have a standard deviation of less than 11 points. A recent sample of 22 exams has a sample standard deviation of 12.3. Test whether or not her goal was achieved using a 10% 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...