Table 3.

Average and standard deviation of relative volume error for 5 and 10 MU.

Sphere Diameter (cm)	5 MU	10 MU
3.81	$3.66\%\pm 2.06\%$	$5.38\%\pm 2.69\%$
3.18	$4.52\%\pm 3.15\%$	$7.54\%\pm 3.64\%$
2.54	$5.29\%\pm 4.33\%$	$8.08\%\pm 6.01\%$
1.91	$8.20\%\pm 5.91\%$	$14.0\%\pm 10.0\%$
0.95	$23.9\%\pm 18.0\%$	$24.7\%\pm 20.7\%$
0.48	$42.1\%\pm 52.8\%$	$47.7\%\pm 41.8\%$