Table 3. Results of CV analysis and descriptive statistics.
Mean (mm) | SD | CV (%)1 | CV difference | ||||
Attribute | PLF | Debitage | PLF | Debitage | PLF | Debitage | |
Maximum length | 82.32 | 52.79 | 21.18 | 15.06 | 25.73 | 28.54 | 2.81 |
Maximum width | 61.04 | 35.41 | 15.64 | 11.69 | 25.62 | 33.02 | 7.4 |
Width at 25% of Max length | 46.69 | 23.20 | 11.84 | 8.84 | 25.36 | 38.10 | 12.74 |
Width at 50% of Max length | 59.00 | 32.36 | 15.23 | 11.05 | 25.82 | 34.16 | 8.34 |
Width at 75% of Max length | 53.75 | 30.98 | 14.36 | 10.51 | 26.73 | 33.92 | 7.19 |
Length of flake (technological) | 79.22 | 44.95 | 21.89 | 15.22 | 27.62 | 33.87 | 6.25 |
Thickness at 25% of Max length | 9.45 | 3.30 | 4.71 | 2.78 | 49.87 | 84.14 | 34.27 |
Thickness at 50% of Max length | 12.51 | 4.86 | 5.67 | 3.67 | 45.31 | 75.47 | 30.16 |
Thickness at 75% of Max length | 12.68 | 5.14 | 5.53 | 3.85 | 43.59 | 74.95 | 31.36 |
Thickness at 25% of Max width | 9.84 | 4.26 | 4.66 | 3.36 | 47.40 | 78.79 | 31.39 |
Thickness at 75% of Max width | 9.73 | 4.17 | 4.53 | 3.29 | 46.57 | 79.00 | 32.43 |
Maximum flake thickness | 15.32 | 7.74 | 6.00 | 4.45 | 39.15 | 57.51 | 18.36 |
Bulb thickness | 13.79 | 6.55 | 5.18 | 3.91 | 37.60 | 59.71 | 22.11 |
Length of sharp edge | 185.53 | 106.75 | 51.21 | 36.33 | 27.60 | 34.03 | 6.43 |
Index of symmetry | 0.40 | 0.73 | 0.25 | 0.46 | – | – | – |
Overall Mean CV values (%) are 35.28 for PLFs and 53.23 for debitage flakes.