The bureau of transportation statistics provides data on u.s. airline – Assignment Help

  

The Bureau of Transportation Statistics provides data on U.S. airline flights. The airborne times (in minutes) for United Airlines flight 448 from Albuquerque to Denver on 10 randomly selected days between January 1, 2003, and March 31, 2003, are in the following table. 

  

57

54

55

51

56

48

52

51

59

59

(a) Compute a 95% confidence interval for the mean airborne time for flight 448. (Use Table 3 in Appendix A. Give the answer to two decimal places.)
(  ,  )
 

(b) Give an interpretation of the 95% confidence level associated with the interval estimate in Part (a).

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