Plot of pctrecov * newdate

Statistics for the Plotted Points
BENZO[A]PYRENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 19 77% 13% 79% 8%
Upper Range 15 74% 12% 71% 14%
Total 34 76% 13% 77% 11%

Miscellaneous Statistics for the Samples
BENZO[A]PYRENE

Characteristic N % % Basis
Plotted 34 100% Spiked
Estimated Values 5 15% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 34 .  
False Negatives 0 0% 0 out of 34
Not Spiked 89 .  
False Positives 1 1% 1 out of 88