Plot of pctrecov * newdate

Statistics for the Plotted Points
3-BETA-COPROSTANOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 8 78% 20% 81% 18%
>= Reporting Level 72 61% 23% 61% 22%
Total 80 63% 23% 62% 23%

Miscellaneous Statistics for the Samples
3-BETA-COPROSTANOL

Characteristic N % % Basis
Plotted 80 83% Spiked
Estimated Values 51 53% Spiked
Deleted Values 5 3% Spiked + Not Spiked
Spiked, Censored 11 11% Spiked
Spiked 100 .  
False Negatives 5 5% 5 out of 96
Not Spiked 72 .  
False Positives 1 1% 1 out of 71