Table 2.

Statistical results of a virtual robot’s tip positioning.

	No Feedback	Feedback
Average time	48.26 s	39.63 s
Standard deviation	10.12 s	9.83 s
Minimum time	30.60 s	20.40 s
Maximum time	64.40 s	54.30 s
Average distance	41.29 mm	9.00 mm
Standard distance deviation	13.12 mm	2.31 mm
Minimum distance	10.40 mm	4.48 mm
Maximum distance	65.58 mm	12.98 mm