Question

In: Statistics and Probability

Jacob Lee is a frequent traveler between Los Angeles and San Francisco. For the past month,...

Jacob Lee is a frequent traveler between Los Angeles and San Francisco. For the past month, he wrote down the flight times on three different airlines.

Goust Jet Red Cloudtran

51 50 54

51 54 55

54 52 60

51 49 44

47 58 42

60 54

64 40

80

A. Use the 0.05 significance level to check ifbvthere is a different in the mean fliht times among the three airlines

B. Is there different between goulf and Couldtran (use 0.05 significant level)

Solutions

Expert Solution

Decision: Since, p-value = 0.3004 > 0.05 so we fail to reject Ho and conclude that there is no significant difference in the mean times of three airlines.

Answer B. Since we have already concluded in part A that that there is no significant difference in the mean times of three airlines so there is no significant difference in the mean times of goust and cloudtran

orchestra answered 1 year ago
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