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Maps showing the locations of end-scrapers, carinated scrapers, and burins at the Sde Divshon site of the Avdat area are examined by statistical tests for evidence of spatial association in the co-occurrences of pairs of tool types. Contingency table and contiguity ratio tests do not detect the presence of spatial association. Substantial detail is provided on the application of these tests.
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Michael F. Dacey (1973) studied this question.
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