Plot of pctrecov * newdate

Statistics for the Plotted Points
BENZO[GHI]PERYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 13 72% 22% 63% 31%
Upper Range 12 85% 39% 80% 17%
Total 25 78% 31% 75% 19%

Miscellaneous Statistics for the Samples
BENZO[GHI]PERYLENE

Characteristic N % % Basis
Plotted 25 100% Spiked
Estimated Values 7 28% Spiked
Deleted Values 3 5% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 27 .  
False Negatives 0 0% 0 out of 25
Not Spiked 31 .  
False Positives 1 3% 1 out of 30