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Suppose that on a 100 point test, the professor's goal is for her students to have an exam score variance of no more than 76

Suppose that on a 100 point test, the professor's goal is for her students to have an exam score variance of no more than 76 points. A recent sample of 18 exams has a sample standard deviation of 10.4. Test to see if the goal was achieved at an alpha level of 0.01.

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