Plot of pctrecov * newdate

Statistics for the Plotted Points
BENZO[A]PYRENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 15 75% 16% 74% 23%
Upper Range 14 77% 14% 78% 13%
Total 29 76% 15% 75% 14%

Miscellaneous Statistics for the Samples
BENZO[A]PYRENE

Characteristic N % % Basis
Plotted 29 100% Spiked
Estimated Values 4 14% Spiked
Deleted Values 3 5% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 32 .  
False Negatives 0 0% 0 out of 29
Not Spiked 26 .  
False Positives 3 12% 3 out of 26