Plot of pctrecov by newdate

Statistics for the Plotted Points
ANTHRACENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 5 75% 26% 74% 10%
>= Reporting Level 44 75% 12% 76% 12%
Total 49 75% 14% 76% 12%

Miscellaneous Statistics for the Samples
ANTHRACENE

Characteristic N % % Basis
Plotted 49 98% Spiked
Estimated Values 6 12% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 50 .  
False Negatives 0 0% 0 out of 50
Not Spiked 97 .  
False Positives 4 4% 4 out of 95