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3. An AP coordinator in an urban school district mandates that AP students take a practice exam, called a Mock Exam, in the spring to help identify student potential scores on the upcoming exam in May. A random sample of AP students' Mock Exams was taken and the scores recorded. The results for 28 of the students were found to be: 58, 97, 64, 57, 76, 66, 71, 75, 74, 95, 60, 74, 80, 77, 68, 52, 88, 63, 70, 71, 74, 83, 63, 81, 65, 73, 71, 82 (a) Construct a 90% confidence interval for the mean score on the AP Mock Exams given in this district​
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3. An AP coordinator in an urban school district mandates that AP students take a practice exam, cal...
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