Question: 30. Passenger Volume on Allegiant Airlines. A sample standard deviation for the number of passengers taking a particular Allegiant Airlines flight is 8. A 95%

30. Passenger Volume on Allegiant Airlines. A sample standard deviation for the number of passengers taking a particular Allegiant Airlines flight is 8. A 95% confidence interval estimate of the population standard deviation is 5.86 passengers to 12.62 passengers.

a. Was a sample size of 10 or 15 used in the statistical analysis?

b. Suppose the sample standard deviation of s = 8 was based on a sample of 25 flights. What change would you expect in the confidence interval for the population standard deviation? Compute a 95% confidence interval estimate of s with a sample size of 25.

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