Plot of pctrecov by newdate

Statistics for the Plotted Points
ATRAZINE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 114% 16% 114% 15%
>= Reporting Level 122 116% 16% 115% 13%
Total 126 116% 16% 115% 13%

Miscellaneous Statistics for the Samples
ATRAZINE

Characteristic N % % Basis
Plotted 126 99% Spiked
Estimated Values 5 4% Spiked
Deleted Values 1 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 127 .  
False Negatives 1 1% 1 out of 127
Not Spiked 95 .  
False Positives 1 1% 1 out of 94