Frequent traveler between los angeles and san diego

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Reference no: EM132464310

Problem: Jacob Lee is a frequent traveler between Los Angeles and San Diego. For the past month, he wrote down the flight times in minutes on three different airlines. The results are:

Goust Jet Red Cloudtran

51 50 52

51 53 55

52 52 60

42 62 64

51 53 61

57 49 49

47 50 49

47 49

  50 58

  60 54

54 51

  49 49

  48 49

a-1. Choose the right option.

Null hypothesis:

Ho: µ1 = µ2 = µ3

Ho: µ1 = µ2

a-2. Alternate hypothesis:

H1: Treatment means are same.

H1: Treatment means are not all the same.

a-3. State the decision rule for 0.05 significance level. (Round your answer to 2 decimal places.)

Reject HO if F >________ 

a-4. Complete the ANOVA table. (Round your SS, MS values to 1 decimal place, and F value to 2 decimal places.)

Source SS df MS F

Treatments _______ ______ _______ _______

Error _______ ______ _______ _______

Toatal _______ ______ _______ _______

a-5. Compute the value of the test statistic. (Round your answer to 2 decimal places.)

I Value of the test statistic_________

a-6. State your decision for the F value at the 0.05 significance level

There is________in the mean flight times.

b. Develop a 95% confidence interval for the difference in the means between Goust and Cloudtran. (Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.)

The difference is between_________and__________

Reference no: EM132464310

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