Plot of pctrecov by newdate

Statistics for the Plotted Points
DICHLOROVOS (DICHLORVOS)

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 12 79% 19% 76% 19%
>= Reporting Level 52 34% 24% 29% 22%
Total 64 42% 29% 32% 36%

Miscellaneous Statistics for the Samples
DICHLOROVOS (DICHLORVOS)

Characteristic N % % Basis
Plotted 64 96% Spiked
Estimated Values 64 96% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 67 .  
False Negatives 3 4% 3 out of 67
Not Spiked 116 .  
False Positives 2 2% 2 out of 116