An air transport association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for a certain airport. The ratings obtained from the sample of 50 business travelers follow. 4 5 8 7 7 6 339 10 4 8 7 8 8 5 9 4 8 3 85 5 4 4 4 8 5 4 5 7 2 5 9 9 74 8 9 4978 3 10 9 9 Develop a 95% confidence interval estimate of the population mean rating for this airport. (Round your answers to two decimal places.) to
An air transport association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for a certain airport. The ratings obtained from the sample of 50 business travelers follow. 4 5 8 7 7 6 339 10 4 8 7 8 8 5 9 4 8 3 85 5 4 4 4 8 5 4 5 7 2 5 9 9 74 8 9 4978 3 10 9 9 Develop a 95% confidence interval estimate of the population mean rating for this airport. (Round your answers to two decimal places.) to
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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