Plot of pctrecov by newdate

Statistics for the Plotted Points
HEXACHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 76% 19% 76% 20%
>= Reporting Level 48 74% 17% 75% 15%
Total 50 74% 17% 75% 15%

Miscellaneous Statistics for the Samples
HEXACHLOROETHANE

Characteristic N % % Basis
Plotted 50 100% Spiked
Estimated Values 34 68% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 52 .  
False Negatives 0 0% 0 out of 50
Not Spiked 95 .  
False Positives 3 3% 3 out of 95