Plot of pctrecov * newdate

Statistics for the Plotted Points
PHORATE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 18 64% 19% 63% 17%
>= Reporting Level 57 56% 27% 55% 30%
Total 75 58% 26% 59% 29%

Miscellaneous Statistics for the Samples
PHORATE

Characteristic N % % Basis
Plotted 75 86% Spiked
Estimated Values 20 23% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 3 3% Spiked
Spiked 87 .  
False Negatives 9 10% 9 out of 87
Not Spiked 126 .  
False Positives 0 0% 0 out of 126