Plot of pctrecov * newdate

Statistics for the Plotted Points
PHENANTHRENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 17 87% 22% 85% 19%
Upper Range 13 97% 22% 95% 15%
Total 30 91% 22% 94% 19%

Miscellaneous Statistics for the Samples
PHENANTHRENE

Characteristic N % % Basis
Plotted 30 100% Spiked
Estimated Values 4 13% Spiked
Deleted Values 4 7% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 33 .  
False Negatives 0 0% 0 out of 30
Not Spiked 25 .  
False Positives 2 8% 2 out of 24