Question

In: Statistics and Probability

2.   Data, which may be found in the Excel file named “Luggage” on the course Canvas...

2.   Data, which may be found in the Excel file named “Luggage” on the course Canvas Site (Chapter 10 Data Files), gives the weights (in pounds) of randomly selected checked bags for an airline’s International and Domestic flights on the same day.

  • First, test to determine if the variances in weights of checked bags differ between international and domestic flights. Show and follow the 7 steps for hypothesis testing. (8 points)
  • Verify your results in part a. using Minitab; attach or include your output. (3 points)
  • Using the information from your test results in part a., test to determine if the average weight for bags on an international flight is greater than the average weight for bags on a domestic flight. (8 points).
  • Refer to part c., give and interpret the p-value using probabilities. (4 points)
  • Verify your results in part c., using Minitab; attach or include your output. (3 points)
International Domestic
39 29
54 36
46 33
39 34
69 38
47 37
48 33
28 29
54 43
62 39
43
42
32
35
39

Solutions

Expert Solution

now minitab output :

both by hand and Minitab output is same ..


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