Suppose that on a 100 point test , the professors goal is for her students to have an exam score variance of no more that 76 points. A recent sample...

Suppose that on a 100 point test , the professors goal is for her students to have an exam score variance of no more that 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 of0.01.