Plot of pctrecov by newdate

Statistics for the Plotted Points
ALDICARB

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 40% 23% 40% 24%
>= Reporting Level 73 64% 27% 68% 16%
Total 75 63% 27% 67% 20%

Miscellaneous Statistics for the Samples
ALDICARB

Characteristic N % % Basis
Plotted 75 78% Spiked
Estimated Values 67 70% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 16 17% Spiked
Spiked 96 .  
False Negatives 5 5% 5 out of 96
Not Spiked 110 .  
False Positives 1 1% 1 out of 108