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 50 76% 16% 77% 13%
Total 52 76% 16% 77% 14%

Miscellaneous Statistics for the Samples
HEXACHLOROETHANE

Characteristic N % % Basis
Plotted 52 100% Spiked
Estimated Values 24 46% Spiked
Deleted Values 4 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 55 .  
False Negatives 0 0% 0 out of 52
Not Spiked 89 .  
False Positives 3 3% 3 out of 88