Develop a 95% confidence interval estimate of the population mean rating for Mia
ID: 3292708 • Letter: D
Question
Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places.
Enter your answer using parentheses and a comma, in the form (n1,n2). Do not use commas in your numerical answer (i.e. use 1200 instead of 1,200, etc.)
The International 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 the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow. 6 10 2 6 3 3 3 6 6 6 6 5 8 9 10 10 7 9 3 6 5 10 9 9 10 3 8 6 6 3 3 6 6 5 4 10 9 3 5 7 10 6 3 8 6 8 3 3 5 5Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places.
Enter your answer using parentheses and a comma, in the form (n1,n2). Do not use commas in your numerical answer (i.e. use 1200 instead of 1,200, etc.)
Explanation / Answer
The statistical software output for this problem is:
One sample T confidence interval:
: Mean of variable
95% confidence interval results:
Hence,
95% confidence interval estimate will be:
(5.46, 6.86)
Variable Sample Mean Std. Err. DF L. Limit U. Limit var14 6.16 0.3491798 49 5.4582969 6.8617031Related Questions
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