Plot of pctrecov by newdate

Statistics for the Plotted Points
CLOPYRALID

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 60% 17% 58% 25%
>= Reporting Level 41 60% 20% 62% 19%
Total 44 60% 20% 62% 20%

Miscellaneous Statistics for the Samples
CLOPYRALID

Characteristic N % % Basis
Plotted 44 79% Spiked
Estimated Values 24 43% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 5 9% Spiked
Spiked 56 .  
False Negatives 7 13% 7 out of 56
Not Spiked 85 .  
False Positives 0 0% 0 out of 85