Table 1.

Measurement Process Scenario

	Rule 1 (GUM)		Rule 2 (ISO)		Rule 3		∞ Resolution
	μRef = 0	μRef = Σμ	μRef = 0	μRef = Σμ	μRef = 0	μRef = Σμ	U = 2 s
Min P(x ≤ U)	0.75	0.84	0.65	0.74	0.85	0.91	0.94
Avg P(x ≤ U)	0.97	0.98	0.95	0.97	0.98	0.98	0.95
% P ≤ 0.94	13 %	7 %	30 %	19 %	10 %	5 %	0.00
Avg (U − |ε95|)	0.23	0.29	0.12	0.16	0.27	0.30	0.02
Max (U − |ε95|)	0.69	0.89	0.58	0.76	0.81	0.89	0.07
Min (U − |ε95|)	−0.13	−0.25	−0.38	−0.48	−0.15	−0.14	0.00