Plot of pctrecov by newdate

Statistics for the Plotted Points
PENDIMETHALIN

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 147% 59% 147% 61%
>= Reporting Level 63 93% 16% 91% 17%
Total 65 95% 20% 93% 17%

Miscellaneous Statistics for the Samples
PENDIMETHALIN

Characteristic N % % Basis
Plotted 65 98% Spiked
Estimated Values 2 3% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 66 .  
False Negatives 1 2% 1 out of 66
Not Spiked 116 .  
False Positives 1 1% 1 out of 114