Travelers pay taxes for flying, car rentals, and hotels. The following data represent the total travel tax for a 3-day business trip in eight randomly selected cities. Note: Chicago has the highest travel taxes in the country at $101.27. In Problem 32 from Section 9.2, it was verified that the data are normally distributed and that s = 12.324 dollars. Construct and interpret a 90% confidence interval for the standard deviation travel tax for a 3-day business trip.

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67.81 68.99 84.36 78.69 86.14 101.27 99.29 80.24