- The Accompanying Data Represent The Total Travel Tax In Dollars For A 3 Day Business Trip In 8 Randomly Selected Citie 1 (195.71 KiB) Viewed 47 times
The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selected cities. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts (a) through (C) below. 69.44 80.34 69 35 83.82 82.11 88.63 100.96 97.57 (a) Determine a point estimate for the population mean travel tax. A point estimate for the population mean travel tax is $ 84.03 (Round to two decimal places as needed.) (b) Construct and interpret a 95% confidence interval for the mean tax paid for a three-day business trip. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) O A. The travel tax is between $ and $ for % of all cities. B. There is a % probability that the mean travel tax for all cities is between $ and $ O C. One can be % confident that the mean travel tax for all cities is between $ and $ D. One can be % confident that all cities have a travel tax between $ and $