Table 8. Summary of sample precision for TCO₂ analyses made during the WOCE Section P6.

System	Mean Absolute Difference						The Pooled Standard Deviation
	σbs	S.D.	K	σbn	S.D.	K	Sp2	K	n	d.f.
	µmol/kg			µmol/kg			µmol/kg
Single-System Precision
004	0.94	0.84	73	0.83	1.19	8	0.89	86	186	100
006	0.73	0.66	194	0.53	0.53	28	0.71	198	398	202
All	0.78	0.72	267	0.61	0.71	36	0.76	284	586	302
Sample Precision
P6	1.90	1.58	24				1.65	37	74	37