Plot of pctrecov by newdate

Statistics for the Plotted Points
CHLORIMURON ETHYL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 8 59% 46% 55% 56%
>= Reporting Level 61 87% 74% 77% 91%
Total 69 84% 71% 74% 84%

Miscellaneous Statistics for the Samples
CHLORIMURON ETHYL

Characteristic N % % Basis
Plotted 69 70% Spiked
Estimated Values 69 70% Spiked
Deleted Values 1 0% Spiked + Not Spiked
Spiked, Censored 4 4% Spiked
Spiked 100 .  
False Negatives 26 26% 26 out of 99
Not Spiked 106 .  
False Positives 0 0% 0 out of 106