"Measured Length, nm "		"Measured separation, nm"	
pass	mean	SD	mean	SD
2	16.708	5.014	4.119	1.549
4	18.856	3.189	5.251	1.624
10	32.392	5.766	6.269	2.813
20	58.284	13.909	15.599	10.789
50	178.903	51.071	45.73	22.66