Question
For the time being, the air traffic control system in the United States is run by the federal government. Some people would like to change
For the time being, the air traffic control system in the United States is run by the federal government. Some people would like to change this, arguing that the air traffic control system should be part of the private sector.
Among the arguments given for the privatization of air traffic control is that flight delays are much too common in the United States. A first step in deciding if, indeed, delays in the U.S. are "too common" might be to compare flight delay information from the U.S. and other nations.
Suppose that you have in front of you information from several samples of flights over the past six weeks. Each sample is composed of domestic flights for a certain country. (One of the samples is composed of flights within the U.S., one of the samples is composed of flights within Canada, and so on.) The information recorded for each flight is the time (in minutes) that the plane was late to the arrival gate. (If the plane was early, then the time recorded is negative.)
Based on this information, you perform a one-way, independent-samples ANOVA test of the hypothesis that there are no differences in the mean flight delay times among the several countries.
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