Plot of pctrecov by newdate

Statistics for the Plotted Points
ANTHRACENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 65% 15% 69% 16%
>= Reporting Level 47 74% 11% 75% 10%
Total 51 74% 12% 75% 10%

Miscellaneous Statistics for the Samples
ANTHRACENE

Characteristic N % % Basis
Plotted 51 98% Spiked
Estimated Values 6 12% Spiked
Deleted Values 4 3% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 53 .  
False Negatives 0 0% 0 out of 52
Not Spiked 91 .  
False Positives 3 3% 3 out of 88