Plot of pctrecov by newdate

Statistics for the Plotted Points
CHLORPYRIFOS, OXYGEN ANALOG

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 5 38% 15% 43% 13%
>= Reporting Level 31 26% 13% 24% 12%
Total 36 28% 14% 25% 14%

Miscellaneous Statistics for the Samples
CHLORPYRIFOS, OXYGEN ANALOG

Characteristic N % % Basis
Plotted 36 84% Spiked
Estimated Values 36 84% Spiked
Deleted Values 3 2% Spiked + Not Spiked
Spiked, Censored 3 7% Spiked
Spiked 43 .  
False Negatives 4 9% 4 out of 43
Not Spiked 87 .  
False Positives 0 0% 0 out of 84