Stone Tool Manufacture Strategies and Lithic Raw Material Exploitation in Coastal Patagonia, Argentina: A Multivariate Approach

Table 3

𝑉-test over the medium proportion of the variables that were analyzed for each cluster defined using the Ward method. Only the statistically significant proportions are shown (𝑃<0.05).

	𝑉-test	Mean in category	Overall mean	sd in category	Overall sd	𝑃 value
Cluster 1 (𝑛=32)
Expedient cores	2.631	0.178	0.117	0.226	0.194	𝑃<0.001
Discoidal cores	2.608	0.193	0.119	0.292	0.237	𝑃<0.001
Bipolar cores	2.396	0.172	0.108	0.270	0.222	𝑃<0.001
Tested pieces	2.278	0.041	0.023	0.084	0.065	𝑃<0.001
Volcanic rocks	2.132	0.093	0.070	0.110	0.091	𝑃<0.001
DFGR	2.941	0.183	0.278	0.182	0.270	𝑃<0.001
Polyhedral cores	5.443	0.138	0.398	0.164	0.396	𝑃<0.001
Cluster 2 (𝑛=19)
Polyhedral cores	6.164	0.863	0.398	0.167	0.396	𝑃<0.001
Fragmentation	2.293	0.619	0.5195	0.188	0.239	𝑃<0.001
Denticulates	2.651	0.045	0.245	0.114	0.396	𝑃<0.001
Cluster 3 (𝑛=8)
Denticulates	6.231	1.063	0.245	0.390	0.396	𝑃<0.001
DFGR	4.454	0.676	0.278	0.259	0.270	𝑃<0.001
Chalcedony	2.063	0.065	0.157	0.056	0.135	𝑃<0.001