Plot of pctrecov * newdate

Statistics for the Plotted Points
BROMOMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 136% 18% 136% 27%
>= Reporting Level 28 107% 33% 115% 40%
Total 31 110% 33% 118% 41%

Miscellaneous Statistics for the Samples
BROMOMETHANE

Characteristic N % % Basis
Plotted 31 84% Spiked
Estimated Values 31 84% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 6 16% Spiked
Spiked 37 .  
False Negatives 0 0% 0 out of 37
Not Spiked 142 .  
False Positives 6 4% 6 out of 142