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

System

Mean Absolute Difference

The Pooled Standard Deviation

s bs
S.D.

K

s bn
S.D.

K

S2p K n d.f.
mmol/kg
mmol/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

tbeaty 9/30/2001