Plot of pctrecov * 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 141 117% 16% 116% 14%
Total 145 117% 16% 116% 14%

Miscellaneous Statistics for the Samples
ATRAZINE

Characteristic N % % Basis
Plotted 145 99% Spiked
Estimated Values 5 3% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 146 .  
False Negatives 1 1% 1 out of 146
Not Spiked 67 .  
False Positives 1 1% 1 out of 67