The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The
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a. Compute the sample standard deviation. Please provide the formula, at least one step of calculation, and the correct answer for full credit. (6 points)
b. Develop a 95% confidence interval estimate of the population mean rating for Miami. Please provide the formula, the correct t value, the correct margin of error, at least one step of calculation, and the correct interval for full credit. (12 points)
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Essentials Of Statistics For Business And Economics
ISBN: 9781305081598
7th Edition
Authors: David Anderson, Thomas Williams, Dennis Sweeney, Jeffrey Cam
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