Plot of pctrecov * newdate

Statistics for the Plotted Points
PHORATE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 57% 13% 63% 10%
>= Reporting Level 39 57% 23% 61% 18%
Total 43 57% 22% 63% 18%

Miscellaneous Statistics for the Samples
PHORATE

Characteristic N % % Basis
Plotted 43 88% Spiked
Estimated Values 19 39% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 4 8% Spiked
Spiked 49 .  
False Negatives 2 4% 2 out of 49
Not Spiked 32 .  
False Positives 0 0% 0 out of 31