Question: 3. After Test 1, several instructors talked with one another about the difference in times for Test 1 and Test 2. One instructor said, Test

3. After Test 1, several instructors talked with one another about the difference in times for Test 1 and Test 2. One instructor said, "Test 2 seemed longer than Test 1. I'd estimate Test 2 was longer than Test 1 by an average of 10 minutes. Use a significance level of 0.10 to test the instructor's claim that, on average, Test 2 was 10 minutes longer than Test 1. (18 pts)

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