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 49 67% 28% 70% 16%
Total 51 66% 28% 70% 16%

Miscellaneous Statistics for the Samples
ALDICARB

Characteristic N % % Basis
Plotted 51 77% Spiked
Estimated Values 43 65% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 11 17% Spiked
Spiked 66 .  
False Negatives 4 6% 4 out of 66
Not Spiked 75 .  
False Positives 1 1% 1 out of 73