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Middle and Late Bronze Age Metal Tools from the Aegean, Eastern ...

Middle and Late Bronze Age Metal Tools from the Aegean, Eastern ...

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Tool series N Mean<br />

of<br />

ratio<br />

St<strong>and</strong>ard<br />

deviation of ratio<br />

& Coefficient of<br />

variance (CV)<br />

Wide chisels 82 5.33 ± 1.985<br />

CV=0.37<br />

Single/flat 26 2.3 ± 1.592<br />

adzes<br />

CV=0.69<br />

Single/flat 102 2.8 ± 0.906<br />

axes<br />

CV=0.32<br />

Trunnion/ 71 3.2 ± 0.992<br />

lugged blades<br />

CV=0.31<br />

Figure 4.5a Mean ratios of length by cutting edge<br />

width <strong>and</strong> st<strong>and</strong>ard deviation; for similar<br />

cutting/paring tool types<br />

Ratio (Length divided by cutting edge width)<br />

Figure 4.5b Box-<strong>and</strong>-dot plot; showing range of ratios for broad<br />

or wide chisels, single/flat adzes, single/flat axes, <strong>and</strong> trunnion/<br />

lugged blades (NB: <strong>the</strong> horizontal lines in <strong>the</strong> mid-spread boxes<br />

represent <strong>the</strong> median; <strong>the</strong> mean is listed in Figure 4.5a)<br />

444

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