MATH 1281 (MATH 1281)
American University
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MATH 1281 STATISTICAL INFERENCE GRADED QUIZ 3|AMERICAN UNIVERSITY
- Exam (elaborations) • 13 pages • 2021
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MATH 1281 STATISTICAL INFERENCE GRADED QUIZ 3|MATH 1281 STATISTICAL INFERENCE GRADED QUIZ 3
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MATH 1281 Statistical Inference graded quiz 6|American University
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MATH 1281 Statistical Inference graded quiz 6
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University of the People: MATH 1281 GRADED QUIZ 3 2020/2021
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University of the People: MATH 1281 GRADED QUIZ 3 
You want to construct a confidence interval for the expected rating of students that were exposed to condition P. The confidence level of the interval should be 80%. The quantile of the t-distribution that should be used for the construction is: (Assume a Normal distribution for the rating) 
 
Select one: 
a. qt(0.85,23) 
 
b. 
 
c. qt(0.90,23) 
 
d. 
...............
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