Plot of pctrecov by newdate

Statistics for the Plotted Points
PHOSMET OXON

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 40% 24% 36% 25%
>= Reporting Level 24 72% 49% 73% 51%
Total 30 66% 47% 56% 47%

Miscellaneous Statistics for the Samples
PHOSMET OXON

Characteristic N % % Basis
Plotted 30 70% Spiked
Estimated Values 30 70% Spiked
Deleted Values 29 16% Spiked + Not Spiked
Spiked, Censored 2 5% Spiked
Spiked 44 .  
False Negatives 11 26% 11 out of 43
Not Spiked 138 .  
False Positives 1 1% 1 out of 110