Plot of pctrecov by newdate

Statistics for the Plotted Points
PHOSMET OXON

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 5 42% 23% 34% 18%
>= Reporting Level 21 75% 50% 70% 47%
Total 26 69% 48% 55% 47%

Miscellaneous Statistics for the Samples
PHOSMET OXON

Characteristic N % % Basis
Plotted 26 65% Spiked
Estimated Values 26 65% Spiked
Deleted Values 10 5% Spiked + Not Spiked
Spiked, Censored 1 3% Spiked
Spiked 42 .  
False Negatives 13 33% 13 out of 40
Not Spiked 141 .  
False Positives 0 0% 0 out of 133