Table 3.4
Efficiencies and Conversion Factors for 2 to 10 Observations*
Range Confidence
No.
	Efficiency		Range		c —.....------ Factor (/)
of ervations			Deviation		
	Ol" Median, £„	Of Range, EK	Factor, kK	'HI.1!*	Urn
2	1.00	1.00	0.89	6.4	31.83
3	0.74	0.99	0.59	1.3	3.01
4	0.84	0.98	0.49	0.72	1.32
5	0.69	0.96	0.43	0.51	0.84
6	0.78	0.93	0.40	0.40	0.63
7	0.67	0.91	0.37	0.33	0.51
8	0.74	0.89	0.35	0.29	(1.43
9	0.65	0.87	0.34	0.26	0.37
10	0.7!	0.85	0.33	0.23	0.33
cc	0.64	0.00	0.00	0.00	0.00
"Adapted from R. B. Dean and W. J. Dixon, Anal Chan., 23 (1951) 636.