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Data file

Last modified: Jan 22, 2003 Printer friendly version : [PDF] [PS] Tractor comparison Key words:   Factor structure. Description In a comparison of two tractors, five drivers used each of the tractors to plough a field of a certain size. The time in minutes was recorded. This was repeated on three different days (with the same drivers and tractors). Number of observations: 30 Variable                Description day Numbered 1,2,3 tractor Numbered 1,2 driver Values a,b,c,d,e,f time Ploughing time Source The Royal Veterinary and Agricultural University, Denmark. Analysis Optimized for Microsoft Internet Explorer 6.0 for Windows webmaster