Plot of pctrecov * newdate

Statistics for the Plotted Points
HEXACHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 7 89% 13% 95% 13%
Upper Range 6 87% 17% 88% 25%
Total 13 88% 15% 90% 13%

Miscellaneous Statistics for the Samples
HEXACHLOROBENZENE

Characteristic N % % Basis
Plotted 13 93% Spiked
Estimated Values 0 0% Spiked
Deleted Values 1 2% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 1 7% 1 out of 14
Not Spiked 42 .  
False Positives 5 12% 5 out of 41