Table 4: Standard deviation for the core and ring analysis.

Specimen typeCore diameter (mm)Ring size (mm)
1401251009075502510255075100125

12.22.12.23.57.54.63.53.2
21.21.41.51.623.81.91.21.11.31.21.2
RA-Mix0.550.670.940.943.930.820.510.30.45
V-Mix0.50.580.720.91.690.680.630.560.5