Chicago Midway International Airport and Baltimore/Washington International Thurgood Marshall Airport are the U.S. airports with the worst percentage of delayed flights (Travel+Leisure website, April 2015). but when flights are delayed, do these two airports experience delays of the same length? The delay times in minutes for seven recent, randomly selected delayed flights departing from each of these airports are as follows.

Baltimore/Washington

Chicago Midway International Thurgood

International Airport Marshall Airport

68.............................................105

99...............................................35

42...............................................34

31...............................................87

54...............................................73

25...............................................41

49...............................................57

Use the MWW test to determine if there is a difference in length of flight delays for these two airports. Use α = .05. What is the p-value? What is your conclusion?