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Appendix A- 68 BDG and Experiment vein quartz . Mean thickness: C.203 group, C.206, and Experiment direct percussion fragment groups

Mean Thickness
(P) Fragment N Mean Std. Deviation Variance Range
C.203 group Complete 62 14.25 8.73 76.29 40.9
Distal 249 7.54 5.39 29.02 33
Lateral 132 9.01 5.34 28.47 27.7
Mesial 106 6.74 3.98 15.86 23.4
Proximal 409 10.28 5.83 33.97 31.3
Total 958 9.26 6.00 36.04 41.7
C.206 Complete 27 12.61 6.47 41.83 22.1
Distal 200 6.52 3.73 13.90 27.5
Lateral 35 9.82 4.71 22.18 18.1
Mesial 156 7.05 3.55 12.63 16.3
Proximal 290 9.84 5.16 26.65 36.9
Total 708 8.39 4.82 23.20 36.9
C.202 Complete 16 11.25 5.49 30.07 20.1
Distal 71 6.52 5.68 32.29 41.8
Lateral 34 10.36 5.26 27.67 20.4
Mesial 48 8.57 4.94 24.45 19
Proximal 127 11.64 5.9 34.85 25.4
Total 296 9.74 5.96 35.51 41.8
S.H.D. Complete 33 14.42 8.25 68.08 33.8
Distal 100 7.73 4.38 19.17 24.1
Lateral 46 9.40 4.94 24.39 22.4
Mesial 111 6.13 3.54 12.52 21.1
Proximal 182 10.24 7.21 51.96 44.1
Total 472 8.95 6.23 38.83 44.2
H.H.D. Complete 46 11.20 7.74 59.83 32.4
Distal 101 7.09 4.73 22.40 33.2
Lateral 93 9.65 6.60 43.60 44.4
Mesial 88 6.00 3.63 13.14 24.6
Proximal 193 9.73 7.21 51.95 54.4
Total 521 8.71 6.44 41.43 55.2

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