Plot of pctrecov by newdate

Statistics for the Plotted Points
PENTACHLOROPHENOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 84% 25% 84% 32%
>= Reporting Level 42 76% 16% 79% 14%
Total 46 77% 17% 79% 15%

Miscellaneous Statistics for the Samples
PENTACHLOROPHENOL

Characteristic N % % Basis
Plotted 46 96% Spiked
Estimated Values 41 85% Spiked
Deleted Values 4 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 50 .  
False Negatives 2 4% 2 out of 48
Not Spiked 97 .  
False Positives 1 1% 1 out of 95