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 42 78% 13% 79% 13%
Total 47 78% 15% 78% 13%

Miscellaneous Statistics for the Samples
ANTHRACENE

Characteristic N % % Basis
Plotted 47 98% Spiked
Estimated Values 6 13% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 48 .  
False Negatives 0 0% 0 out of 48
Not Spiked 92 .  
False Positives 3 3% 3 out of 90