Plot of pctrecov * newdate

Statistics for the Plotted Points
TERBUFOS

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 8 79% 17% 77% 18%
>= Reporting Level 69 72% 21% 73% 19%
Total 77 73% 21% 74% 19%

Miscellaneous Statistics for the Samples
TERBUFOS

Characteristic N % % Basis
Plotted 77 90% Spiked
Estimated Values 14 16% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 3 3% Spiked
Spiked 86 .  
False Negatives 6 7% 6 out of 86
Not Spiked 127 .  
False Positives 2 2% 2 out of 127