In a 10-year study of the dispersal patterns of beavers

Chapter , Problem 17

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In a 10-year study of the dispersal patterns of beavers (Sun, L. and Muller- Schwarze, D., Statistical resampling methods in biology: A case study of beaver dispersal patterns, American Journal of Mathematical and Management Sciences, 16, pp. 463502, 1996) a total of 332 beavers were trapped in Allegheny State Park in southwestern New York. The beavers were tagged (so as to be identifiable when later caught) and released. Over time a total of 32 of them, 9 female and 23 male, were discovered to have resettled in other sites. The following data give the dispersal distances (in kilometers) between these beavers original and resettled sites for the females and for the males. Females: .660, .984, .984, 1.992, 4.368, 6.960, 10.656, 21.600, 31.680 Males: .288, .312, .456, .528, .576, .720, .792, .984, 1.224, 1.584, 2.304, 2.328, 2.496, 2.688, 3.096, 3.408, 4.296, 4.884, 5.928, 6.192, 6.384, 13.224, 27.600 Do the data prove that the dispersal distances are gender related?

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