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 6 87 6 6 3 3 8 6 10 4 8 7 8 7 5 96 8 3 8 54 4 4 4 8 5 4 7 2 59 9| 748 9 5 5 978 3 10 9 9 6 9 Develop a 95% confidence interval estimate of the population mean rating for this airport. (Round your answers to two decimal places.) to

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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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.
6 4 6 8 7663 3 8
10 4 8 7 8 7 5 9 6 8
4 3 8 5 4 4 4 4 8 5
5 7 2 599 7 4 8 9
9.
9.
7
8
3
10
9.
6.
Develop a 95% confidence interval estimate of the population mean rating for this airport. (Round your answers to two decimal places.)
to
Transcribed Image Text: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. 6 4 6 8 7663 3 8 10 4 8 7 8 7 5 9 6 8 4 3 8 5 4 4 4 4 8 5 5 7 2 599 7 4 8 9 9. 9. 7 8 3 10 9. 6. Develop a 95% confidence interval estimate of the population mean rating for this airport. (Round your answers to two decimal places.) to
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