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(Solution Library) Exam Grades. A statistics professor is used to having a variance in his class grades of no more than 100. He feels that his current group

Question: Exam Grades. A statistics professor is used to having a variance in his class grades of no more than 100. He feels that his current group of students is different, and so he examines a random sample of midterm grades (listed below). At a = 0.05, can it be concluded that the variance in grades exceeds 100?

Data
92.3
89.4
76.9
65.2
49.1
96.7
69.5
72.8
67.5
52.8
88.5
79.2
72.9
68.7
75.8

Price: $2.99
Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


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