Plot of pctrecov by newdate

Statistics for the Plotted Points
CHLORPYRIFOS

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 112% 14% 112% 14%
>= Reporting Level 56 80% 22% 80% 17%
Total 58 81% 22% 81% 17%

Miscellaneous Statistics for the Samples
CHLORPYRIFOS

Characteristic N % % Basis
Plotted 58 97% Spiked
Estimated Values 3 5% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 60 .  
False Negatives 1 2% 1 out of 60
Not Spiked 123 .  
False Positives 2 2% 2 out of 123