NAME: US AIRPORT STATISTICS TYPE: Census (sort of) SIZE: 135 observations , 7 variables (5 numeric, 2 character) DESCRIPTIVE ABSTRACT: This dataset consists of all 135 large and medium sized air hubs in the United States as defined by the Federal Aviation Administration. SOURCE: U.S. Federal Aviation Administration and Research and Special Programs Administration, 'Airport Activity Statistics' (1990). VARIABLE DESCRIPTIONS: Airport Columns 1-21 City Columns 22-43 Scheduled departures Columns 44-49 Performed departures Columns 51-56 Enplaned passengers Columns 58-65 Enplaned revenue tons of freight Columns 67-75 Enplaned revenue tons of mail Columns 77-85 SPECIAL NOTES: These are the only cities provided in this source. Although, it is not a census of all air hubs, it is a census of all medium and large hubs as classified by FAA. STORY BEHIND THE DATA: Author, who is very interested in maps, geography, and U.S. transportation system entered this as part of a 'U.S. infrastructure series' (along with highway and others) this summer. PEDAGOGICAL NOTES: While this data may be more suited for cocktail parties than the classroom, it does allow a teacher to use some actual data when teaching concepts of descriptive statistics, such as graphical and numeric descriptions of a set of measurements. After having taught many classes and using the terms 'suppose we have the following measurements ...', the author vowed to get more interesting data. SUBMITTED BY: Larry Winner Department of Statistics, University of Florida 103 Griffin/Floyd Hall, Gainesville, FL 32611 winner@stat.ufl.edu