Suppose that the researchers had originally asked respondents for the actual number of miles traveled to visit the theme park using an open-ended question. If the mean value in the sample were 234 miles with a standard deviation of 76 miles, construct the 95 percent confidence interval for the mean number of miles traveled in the population.
Use the AFC member survey (Exhibit 16.2), codebook (Exhibit 16.3), and data ("Avery Fitness Center Data") to perform the following analyses. The data are available in both Excel and SPSS format at www.cengage brain.com. Search for this book and then select the tab "Free Materials" and "Access Now" to view.